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Keto Tuna Casserole Recipe

Delicious cheesy, creamy keto tuna casserole that is simple to make.
Prep Time 15 minutes
Cook Time 25 minutes
Course dinner, lunch
Servings 4 servings
Calories 350 kcal

Equipment

1 Pyrex Glass Casserole Baking Dish or any dish suitable for casserole baking
1 Pressure Cooker optional if you want to make it really fast
1 Large chopping board

Ingredients
  

Main ingredients

  • 2 cans 5 oz / 140g each tuna in olive oil or spring water, drained
  • 2 cups 200g cauliflower or cabbage, chopped (both work great, it's totally up to you)
  • 1/4 cup 30g peas
  • 1/2 cup 60g chopped red peppers
  • 1/4 cup 30g carrot, finely diced or shredded
  • 1/4 cup 30g white onion, diced
  • 1/2 cup Freshly copped dill or any herb of your choice

For the sauce:

  • 2 tbsp 30g fresh dill, chopped (or 2 tsp dried)
  • 1 cup 240ml / 240g heavy cream
  • 1/2 cup 125g sour cream or cream cheese (it adds a bit of a tang)
  • 1/2 cup 60g parmesan cheese, grated
  • 1/2 cup 60g cheddar cheese, shredded
  • 2 tbsp 30ml / 30g olive oil
  • Salt sea salt preferred and black pepper to taste

Instructions
 

Oven Method

  • Preheat your oven to 375°F (190°C).
  • In a large bowl, combine the drained tuna, chopped vegetables, dill, salt, and pepper.
  • Heat olive oil in an extra-large ovenproof skillet over medium heat.
  • Add the tuna mixture and sauté vegetables for about 5 minutes until they soften slightly.
  • Stir in heavy cream, sour cream or cream cheese, and parmesan cheese to create a creamy sauce mixture.
  • Sprinkle cheddar cheese on top and transfer the skillet to the oven.
  • Bake for 20–25 minutes until the cheese is golden and bubbly.

Pressure Cooker Method

  • Follow steps 2–4 in your pressure cooker pot.
  • Close the lid and cook on high pressure for 3 minutes.
  • Quick-release the pressure and stir in cheddar cheese before serving.

Slow Cooker Method

  • Mix all ingredients except cheddar cheese in your slow cooker.
  • Cook on low for 3–4 hours or high for 1–2 hours.
  • Add cheddar cheese during the last 30 minutes of cooking.

Notes

Calories, fat, and protein macros may vary slightly depending on the brand of tuna, creams, and cheeses that you use. Carbohydrates should still be the same if you stick to the same amount and types of vegatables as the recipe. 

Nutrition

Calories: 350kcalCarbohydrates: 6gProtein: 26gFat: 24g