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One Pot Keto Tuna Casserole

One Pot Keto Tuna Casserole

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One Pot Keto Tuna Casserole is the ultimate low-carb meal for busy weeknights or casual gatherings. This creamy, cheesy dish combines tender tuna with fresh vegetables, creating a satisfying and flavorful experience in just one pot. With minimal prep time and easy cleanup, this casserole is perfect for families looking to enjoy a nutritious meal without the hassle. Whether you’re following a keto diet or simply seeking a delicious comfort food option, this recipe is sure to please everyone at the table.

Ingredients

Scale
  • 2 (5 oz) cans of tuna in water (drained)
  • 3 oz chopped bell pepper
  • 1 small chopped onion
  • 3 tbsp avocado oil mayonnaise
  • 3 oz shredded mozzarella cheese
  • 3 oz cottage cheese (or ricotta)
  • Optional: 1/4 tsp red pepper flakes
  • 1/4 tsp garlic salt

Instructions

  1. Preheat your oven to 350°F. Spray a baking pan with cooking oil.
  2. In a large mixing bowl, combine drained tuna, chopped bell pepper, onion, mayonnaise, mozzarella, cottage cheese, red pepper flakes (if desired), and garlic salt. Mix until well combined.
  3. Pour the mixture into the prepared baking pan and bake for 20-25 minutes until the cheese is melted and golden brown on top.

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