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Low Carb Cheesy Tuna Casserole

Close-up of a low carb cheesy tuna casserole with melted cheese and herbs

A delicious and comforting low carb cheesy tuna casserole that’s perfect for a quick and healthy meal. Packed with tuna, cheese, and creamy sauce, this casserole is easy to prepare and keto-friendly.

Ingredients

Scale

2 tablespoons olive oil
1 small yellow onion, finely chopped
2 cloves garlic, minced
1 cup cauliflower florets, chopped into small pieces
1 cup broccoli florets, chopped into small pieces
1/2 cup heavy cream
4 ounces cream cheese, softened
1/2 cup shredded sharp cheddar cheese
1/2 cup shredded mozzarella cheese
1/4 cup grated Parmesan cheese
1 (5 ounce) can tuna in water, drained
1/4 teaspoon salt
1/4 teaspoon black pepper
1/4 teaspoon smoked paprika
1/4 teaspoon dried thyme
1 tablespoon fresh parsley, chopped

Instructions

Preheat the oven to 375°F (190°C).
Heat olive oil in a large skillet over medium heat.
Add the chopped onion and sauté for 3-4 minutes until softened.
Add the minced garlic and cook for 1 minute until fragrant.
Add the chopped cauliflower and broccoli florets to the skillet and cook for 5-6 minutes until slightly tender.
Reduce heat to low and stir in the heavy cream and softened cream cheese until melted and combined.
Add the shredded cheddar cheese, mozzarella cheese, and grated Parmesan cheese to the skillet. Stir until the cheeses are melted and the sauce is creamy.
Add the drained tuna, salt, black pepper, smoked paprika, and dried thyme. Stir gently to combine all ingredients evenly.
Transfer the mixture to a greased 8×8 inch baking dish and spread evenly.
Bake in the preheated oven for 15 minutes until bubbly and golden on top.
Remove from the oven and sprinkle with chopped fresh parsley before serving.