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Keto Tuna Casserole | One of The Best Keto Casserole Recipes

Keto tuna casserole in a white casserole dish. The side of a metal spoon head is touching the surface of the back corner of the casserole. The white dish is on a wooden cutting board on a white counter. A bowl of seasonings is behind the cutting board.
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★★★★★

5 from 44 reviews

This keto tuna casserole is made with mushrooms and spinach and is packed with two types of cheese - making it the ultimate cheesy tuna casserole recipe! It's not only flavorful & creamy, but it's nutritious too.  And, honestly, it might just be one of the best keto casserole recipes you can make.

Ingredients

Scale

2 tbsps (28g) butter 

1/2 onion (60g), chopped 

2 cups (200g) sliced mushrooms

1 cup (30g) chopped spinach

2 five ounce cans of tuna packed in water, drained

1 cup (112g) grated mozzarella cheese 

1 cup (113g) cream cheese, cubed 

1 teaspoon Italian seasoning

Salt and pepper to taste

2 cups (224g) shredded Cheddar Cheese 

2 tbsp (28g) almond flour 

Instructions

  1. Preheat the oven to 350°F (176°C) and coat an 9x9 inch baking dish with cooking spray.
  2. Chop the spinach and onions, then slice the mushrooms. 
  3. To begin cooking, melt the butter in a large pan over high heat. Add the onions and saute for 3 minutes. 
  4. Once the onions have softened, add the mushrooms and cook for about 5 minutes on high heat, stirring often.
  5. Now, once the mushrooms have softened - and reduced in size - add in the spinach, stir until wilted, and then turn the heat down to low.
  6. Then, when the spinach has wilted, add the cream cheese, grated mozzarella, Italian seasoning, salt, and pepper to the pan.
  7. Cook everything until the cheese just starts to melt and combines with the other ingredients.
  8. Then, add the drained tuna and stir together until everything is combined. 
  9. Once everything combines, spoon the tuna mixture evenly into the casserole dish.
  10. Sprinkle the shredded cheddar on top, followed by the almond flour.
  11.  Bake for 15-20 minutes, or until the surface is crisped and golden brown.

Notes

The scale up function does not change the gram measurements.

Nutrition

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Find it online: https://imhungryforthat.com/keto-tuna-casserole/