Are you looking for a delicious way to enjoy a low-carb meal that the whole family will love? With busy schedules and countless dinner choices, it can be tough to find recipes that are both satisfying and easy to make. That’s why I put together this list of 10 Keto Tuna Casserole Recipes that are perfect for comforting family dinners.
If you’re someone who enjoys healthy comfort food but also wants to keep things low-carb, this post is for you. These recipes cater to families on the go, making it easy to whip up tasty meals without spending all night in the kitchen. Each dish is packed with flavor, and you can even customize them to suit your family’s taste.
You’ll discover easy casserole recipes that require minimal prep work and are stress-free to cook. From classic takes to creative tuna casserole variations, each recipe offers a unique twist that adds excitement to your dinner table. Plus, these meals are great for keto meal prep, so you can enjoy them throughout the week without sacrificing flavor or nutrition.
So, get ready to dive into a collection of dinners that not only nourish your body but also warm your heart. Let’s explore these delicious keto tuna casserole recipes that will make mealtime a breeze and keep your family coming back for more!
Key Takeaways
– Discover 10 unique and tasty keto tuna casserole recipes that cater to low-carb diets.
– Each recipe is designed for easy meal prep, making weeknight dinners less stressful.
– Customizable ingredients allow you to tailor each dish to your family’s preferences.
– These casseroles are perfect for busy families who want healthy options without sacrificing taste.
– Enjoy a mix of classic and creative variations that will keep dinnertime fun and interesting.
1. Classic Tuna Casserole
Craving a warm, comforting meal that feels like a hug? The classic tuna casserole is a family favorite, and this keto version swaps out pasta for cauliflower rice, keeping it low-carb without sacrificing flavor. Creamy and cheesy, it envelops tender tuna, making each bite irresistibly satisfying and nourishing.
Ingredients:
– 2 cups cauliflower rice
– 1 can (12 oz) tuna, drained
– 1 cup heavy cream
– 1 cup shredded cheddar cheese
– 1/2 cup frozen peas
– 1/4 cup chopped onion
– 1/4 teaspoon garlic powder
– Salt and pepper to taste
1. Preheat oven to 350°F (175°C).
2. In a large bowl, mix cauliflower rice, tuna, heavy cream, cheddar cheese, peas, onion, garlic powder, salt, and pepper until well combined.
3. Pour mixture into a greased baking dish and bake for 25 minutes, until bubbly.
4. Allow to cool slightly before serving.
FAQs:
– Can I make this ahead? Yes, prepare and refrigerate the day before, then bake before serving.
Classic Tuna Casserole
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Price updated on December 17, 2025 at 1:15 PM
Palmini Rice | Low-Carb, Low-Calorie Hearts of Palm Rice | Keto, Gluten …
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Kitchen & Love Organic Riced Cauliflower 8 oz (6 Pack) | Low Carb, Low C…
Organic Valley Ultra Pasteurized Heavy Whipping Cream, 16 Ounce — 12 pe…
2. Cheesy Tuna and Spinach Casserole
Love spinach? This cheesy tuna and spinach casserole is a delightful way to pack nutrients into a hearty meal. The vibrant green of fresh spinach not only looks enticing but also adds a burst of flavor that complements the creaminess of the cheese and tuna perfectly.
Ingredients:
– 2 cans (12 oz each) tuna, drained
– 2 cups fresh spinach, chopped
– 1 cup cream cheese, softened
– 1 cup shredded mozzarella cheese
– 1/2 cup sour cream
– 1/4 cup grated Parmesan cheese
– 1 teaspoon Italian seasoning
– Salt and pepper to taste
1. Preheat oven to 375°F (190°C).
2. In a mixing bowl, combine tuna, spinach, cream cheese, mozzarella, sour cream, Parmesan, Italian seasoning, salt, and pepper until smooth.
3. Transfer mixture to a greased baking dish and bake for 30 minutes.
4. Let sit for a few minutes before serving.
– Can I use frozen spinach? Yes, just make sure to thaw and drain excess moisture before mixing.
Cheesy Tuna and Spinach Casserole
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Price updated on December 17, 2025 at 1:15 PM
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3. Keto Tuna Casserole with Zucchini Noodles
Looking for a pasta alternative? Zucchini noodles are a fantastic choice in this keto tuna casserole, offering a light and fresh dish that still embraces the comforting elements of a classic casserole. It’s perfect for those veggie lovers who want to enjoy a satisfying meal without the carbs.
Ingredients:
– 3 medium zucchinis, spiralized
– 1 can (12 oz) tuna, drained
– 1 cup heavy cream
– 1/2 cup shredded Swiss cheese
– 1/4 cup diced red bell pepper
– 1/4 teaspoon black pepper
– Salt to taste
1. Preheat oven to 350°F (175°C).
2. Lightly sauté zucchini noodles in a pan for about 2-3 minutes until slightly tender, then drain excess water.
3. In a bowl, mix tuna, heavy cream, Swiss cheese, bell pepper, black pepper, and salt.
4. Combine with zucchini noodles and place in a greased baking dish.
5. Bake for 20 minutes, until heated through.
FAQs:
– How do I store leftovers? Store in an airtight container in the fridge for up to three days.
Keto Tuna Casserole with Zucchini Noodles
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Price updated on December 17, 2025 at 1:15 PM
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4. Bacon and Tuna Casserole
If you’re a bacon enthusiast, this casserole is calling your name! Combining the savory crunch of crispy bacon with tender tuna elevates this dish to a new level of flavor. It’s the perfect hearty meal to satisfy your cravings and keep your taste buds happy.
Ingredients:
– 1 can (12 oz) tuna, drained
– 4 slices of bacon, cooked and crumbled
– 1 cup heavy cream
– 1 cup shredded cheddar cheese
– 1/2 cup chopped green onions
– 1/4 teaspoon paprika
– Salt and pepper to taste
1. Preheat oven to 375°F (190°C).
2. In a mixing bowl, combine tuna, crumbled bacon, heavy cream, cheddar, green onions, paprika, salt, and pepper.
3. Pour mixture into a greased baking dish and bake for 25 minutes, until cheese is bubbly.
4. Allow to cool slightly before serving.
FAQs:
– Can I use turkey bacon? Absolutely! Turkey bacon will work just fine and reduce the overall fat content.
Bacon and Tuna Casserole
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Price updated on December 17, 2025 at 1:17 PM
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5. Tuna Casserole with Broccoli
Want to sneak in some veggies? This tuna casserole with broccoli is not only nutritious but also a delicious way to enjoy your greens. The fresh broccoli adds a nice crunch that pairs beautifully with the creamy tuna, creating a well-rounded dinner option.
Ingredients:
– 2 cups broccoli florets
– 1 can (12 oz) tuna, drained
– 1 cup mayonnaise
– 1/2 cup shredded cheddar cheese
– 1/4 cup diced onion
– Salt and pepper to taste
1. Preheat oven to 350°F (175°C).
2. Steam broccoli until bright green and slightly tender, about 3-4 minutes.
3. In a large bowl, mix tuna, mayonnaise, cheddar cheese, onion, salt, and pepper.
4. Gently fold in the broccoli and pour into a greased baking dish.
5. Bake for 20 minutes until heated through.
– Can I substitute the mayonnaise? Yes, Greek yogurt can be a healthy swap to reduce calories.
Weeknight dinners don’t have to feel heavy. This Tuna Casserole with Broccoli proves you can crave comfort while keeping carbs in check. It’s a simple, kid-friendly way to enjoy keto tuna casserole recipes without sacrificing flavor.
Tuna Casserole with Broccoli
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Price updated on December 17, 2025 at 1:19 PM
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6. Mediterranean Tuna Casserole
Transport your taste buds to the Mediterranean with this vibrant tuna casserole featuring olives, artichokes, and feta cheese. It’s a unique twist that transforms the traditional dish into something truly special, great for family gatherings or delightful weekend meals.
Ingredients:
– 2 cans (12 oz each) tuna, drained
– 1 cup chopped artichoke hearts
– 1/2 cup Kalamata olives, pitted and sliced
– 1 cup feta cheese, crumbled
– 1 cup heavy cream
– 1 teaspoon oregano
– Salt and pepper to taste
1. Preheat oven to 375°F (190°C).
2. In a large bowl, mix tuna, artichoke hearts, olives, feta, heavy cream, oregano, salt, and pepper.
3. Pour mixture into a greased baking dish and bake for 25 minutes until heated through.
4. Serve hot, garnished with fresh herbs if desired.
FAQs:
– Can I use fresh artichokes? Yes, just make sure to cook and chop them before adding.
Fun fact: Mediterranean tuna casseroles often deliver about 25–30g protein per serving with under 6g net carbs. That’s how keto tuna casserole recipes stay comforting and family-friendly, even on busy weeknights. Dial in olives, artichokes, and feta for a quick win.
Mediterranean Tuna Casserole
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Price updated on December 17, 2025 at 1:19 PM
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7. Spicy Tuna Casserole
Turn up the heat with a spicy tuna casserole that packs a flavorful punch! This recipe brings together jalapeños and pepper jack cheese, creating a dish that’s perfect for spice lovers in the family. It’s a fun way to bring excitement to your dinner table.
Ingredients:
– 1 can (12 oz) tuna, drained
– 1 cup heavy cream
– 1 cup pepper jack cheese, shredded
– 1/2 cup jalapeños, diced
– 1/4 cup diced onion
– Salt and pepper to taste
Instructions:
1. Preheat oven to 350°F (175°C).
2. In a bowl, combine tuna, heavy cream, pepper jack cheese, jalapeños, onion, salt, and pepper.
3. Transfer the mixture to a greased baking dish and bake for 20 minutes.
4. Let sit for a few minutes before serving to allow flavors to meld.
FAQs:
– Is it very spicy? The heat level can be adjusted depending on the number of jalapeños used.
Spicy Tuna Casserole
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Price updated on December 17, 2025 at 1:20 PM
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8. Tuna Casserole with Cauliflower and Cheese
Indulge in a creamy cauliflower and cheese tuna casserole that’s a low-carb dream! This rich and satisfying dish combines tender cauliflower with hearty tuna and melty cheese, making it a comforting meal even while sticking to your keto plan.
Ingredients:
– 2 cups cauliflower florets
– 1 can (12 oz) tuna, drained
– 1 cup cream cheese
– 1 cup cheddar cheese, shredded
– 1/2 cup heavy cream
– Salt and pepper to taste
Instructions:
1. Preheat oven to 375°F (190°C).
2. Steam cauliflower florets until tender, about 5 minutes, then drain.
3. In a large bowl, mix tuna, cream cheese, cheddar, heavy cream, salt, and pepper.
4. Fold in the steamed cauliflower and pour into a greased baking dish.
5. Bake for 25 minutes until bubbly and slightly golden on top.
FAQs:
– Can I use frozen cauliflower? Yes, just make sure to thaw and drain it before mixing.
Fun fact: keto tuna casserole recipes can swap in cauliflower for comfort without the carbs—your keto goals stay on track while your kids still swoon. Pro tip: mix tuna, cauliflower, cream cheese, and cheddar, then bake until bubbly. Prep in 15 minutes for busy weeknights.
Tuna Casserole with Cauliflower and Cheese
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Price updated on December 17, 2025 at 1:19 PM
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9. Tuna Casserole with Mushrooms
Elevate your dinner with the earthy flavors of mushrooms in this delightful tuna casserole! This recipe offers a savory depth that will please your family’s taste buds, combining the richness of tuna and mushrooms for a cozy, satisfying meal.
Ingredients:
– 1 can (12 oz) tuna, drained
– 1 cup mushrooms, sliced
– 1 cup heavy cream
– 1 cup shredded mozzarella cheese
– 1/2 cup diced onion
– Salt and pepper to taste
Instructions:
1. Preheat oven to 350°F (175°C).
2. In a skillet, sauté mushrooms and onion until softened, about 5 minutes.
3. In a bowl, mix tuna, sautéed mushrooms, heavy cream, mozzarella, salt, and pepper.
4. Pour into a greased baking dish and bake for 20 minutes.
5. Serve warm, garnished with fresh herbs if desired.
– Can I use canned mushrooms? Yes, but fresh mushrooms will give the dish a better flavor and texture.
Tuna Casserole with Mushrooms
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Price updated on December 17, 2025 at 1:19 PM
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10. Asian-Inspired Tuna Casserole
Spice up your dinner routine with this Asian-inspired tuna casserole featuring soy sauce and sesame oil. This unique combination offers an exciting flavor profile that’s sure to impress adventurous eaters and bring a refreshing twist to your meals.
Ingredients:
– 1 can (12 oz) tuna, drained
– 2 cups cauliflower rice
– 1/4 cup soy sauce
– 1 tablespoon sesame oil
– 1 cup shredded carrot
– 1 cup green onions, chopped
– Salt and pepper to taste
1. Preheat oven to 350°F (175°C).
2. In a bowl, mix tuna, cauliflower rice, soy sauce, sesame oil, carrots, green onions, salt, and pepper until combined.
3. Transfer mixture into a greased baking dish and bake for 20 minutes.
4. Serve warm, garnished with sesame seeds for an extra crunch.
FAQs:
– Can I make this ahead? Yes, prepare the night before and bake when ready to serve.
Asian-Inspired Tuna Casserole
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Price updated on December 17, 2025 at 1:22 PM
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Conclusion
With these keto tuna casserole recipes, you can easily create delicious, low-carb meals that your family will love. Each recipe offers unique flavors and ingredients, allowing you to customize them based on your preferences. Whether you’re looking for a classic dish or something with a twist, there’s a casserole here to satisfy everyone’s taste.
Remember, meal prep doesn’t have to be complicated; these dishes are straightforward and perfect for making ahead of time. Embrace the comfort of casserole dinners and enjoy the heartwarming moments that come from sharing a meal with loved ones!
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Frequently Asked Questions
What makes keto tuna casserole recipes ideal for low-carb dinners?
These keto tuna casserole recipes are designed to be low in carbs while delivering comfort-food vibes. We replace pasta with tuna, and use creamy keto-friendly sauces like mayo, cream cheese, sour cream, or heavy cream, plus vegetables such as cauliflower, broccoli, or spinach to bulk things up without the carbs. For many readers, these dishes become ideal low-carb dinners. To keep it truly keto, watch the sauce ingredients and toppings: use full-fat dairy, cheese, and avoid breadcrumb crusts. Net carbs stay low, typically under 5–6 g per serving depending on toppings. For batch meal prep, cook a big casserole, portion it, and refrigerate for up to 4 days or freeze for longer storage. Key tips: drain tuna well, choose tuna in water or oil you prefer, and season boldly with garlic, onion powder, pepper, and herbs.
How can I meal prep keto tuna casserole for busy weeknights?
Make a big bake and portion into single-serving containers for easy grab-and-go meals. These keto meal prep friendly casseroles keep well in the fridge for 3–4 days and freeze beautifully for longer storage.
Tips: drain canned tuna well to avoid a watery casserole, pre-chop veggies, and mix the sauce ahead of time. When reheating, bake at 350°F (175°C) until hot or microwave for a quick reheat. If freezing, skip delicate toppings until you thaw and reheat to preserve texture. With these keto meal prep habits, you’ll have healthy comfort food ready in minutes.
What variations can I try to keep tuna casserole interesting without breaking ketosis?
These tuna casserole variations stay keto-friendly and tasty: 1) Cheesy swirl with a blend of cheddar and mozzarella plus cream cheese; 2) Veg-forward by adding cauliflower rice and sautéed mushrooms; 3) Flavor boosters like dill, lemon zest, or capers; 4) Creamy sauce swaps—sub half the mayo with sour cream or heavy cream for richer texture; 5) Top with crushed pork rinds or almond flour for a crunchy crust. All keep carbs in check and still taste like a comforting classic.
Are these keto tuna casserole recipes kid-friendly and easy for picky eaters?
Absolutely. Start with a simple, cheesy base your kids will recognize. Keep flavors mild and let veggies blend in by finely mincing cauliflower or spinach into the sauce. Offer toppings on the side—additional shredded cheese or crushed pork rinds—so kids can customize. These are easy casserole recipes that scale up for busy families, and you can tailor seasonings to your child’s tastes while staying keto.
What pantry staples should I stock to whip up easy keto tuna casserole recipes?
Stock up on canned tuna (in water or oil), mayo, cream cheese, sour cream or heavy cream, shredded cheeses (cheddar, mozzarella), and a few veggies like cauliflower or broccoli. Keep seasonings like garlic powder, onion powder, paprika, and herbs on hand. For texture or crust, have crushed pork rinds or almond flour available. A splash of stock or broth and a squeeze of lemon can brighten the sauce, making quick, healthy comfort food a go-to.
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