Go Back
–+ servings
Creamy Keto Tuna Casserole Your New Favorite Dinner Delight

Creamy Keto Tuna Casserole Your New Favorite Dinner Delight

Creamy Keto Tuna Casserole is a low-carb, nutritious twist on a classic dish, perfect for a quick and satisfying dinner.
Print Recipe Pin Recipe
Prep Time 15 minutes
Cook Time 30 minutes
Total Time 45 minutes
Servings: 4 servings
Course: Dinner
Cuisine: Keto
Calories: 400
Ingredients Equipment Method Nutrition Notes

Ingredients
  

For the Base
  • 2 tablespoons Olive oil Substitute with avocado oil if preferred.
  • 2 tablespoons Butter Can be replaced with a dairy-free alternative, such as vegan butter.
  • 4 cups Green cabbage Shredded, low-carb alternative to noodles.
  • 1 cup Chopped onion Green onions or shallots can be used as a milder substitute.
  • 1 cup Celery Chopped, can omit if not available.
  • 3 cloves Garlic Minced, fresh is preferred.
For the Flavor
  • 1 teaspoon Sea salt Adjust to taste.
  • 1 teaspoon Black pepper Adjust to taste.
  • 1 tablespoon Dried dill Fresh herbs can enhance flavor.
  • 1 teaspoon Dry mustard powder Dijon mustard can serve as a substitute.
  • 1 tablespoon Lemon zest Lime zest can be used for different flavor.
  • 2 tablespoons Lemon juice Ensure it's freshly squeezed.
For the Creamy Sauce
  • 1 cup Heavy cream Coconut cream can be used for dairy-free version.
  • 1 cup Grated Parmesan cheese Nutritional yeast can replace for dairy-free.
For the Filling
  • 2 cans Albacore tuna Drained, high protein.
  • 1 cup Frozen peas Fresh peas can also be added.

Equipment

  • Ovenproof skillet

Method
 

Step-by-Step Instructions
  1. In a large ovenproof skillet, heat olive oil and butter over medium heat until shimmering, about 1-2 minutes.
  2. Add shredded green cabbage, chopped onion, and chopped celery, season with sea salt and black pepper, and sauté for about 10 minutes.
  3. Mix in dried dill, dry mustard powder, lemon zest, and lemon juice, then cook for another 2-3 minutes.
  4. Pour in heavy cream and stir in grated Parmesan cheese until melted and the sauce is creamy.
  5. Reduce to medium-low heat and simmer gently for about 5 minutes, stirring occasionally.
  6. Fold in drained tuna and frozen peas, and cook for an additional 2-3 minutes.
  7. Preheat the broiler and sprinkle remaining grated Parmesan over the casserole, broil for 3-5 minutes until bubbling and golden.

Nutrition

Serving: 1servingCalories: 400kcalCarbohydrates: 10gProtein: 30gFat: 28gSaturated Fat: 15gPolyunsaturated Fat: 2gMonounsaturated Fat: 10gCholesterol: 70mgSodium: 600mgPotassium: 600mgFiber: 2gSugar: 3gVitamin A: 1000IUVitamin C: 15mgCalcium: 250mgIron: 2mg

Notes

Store leftovers in an airtight container for up to 3 days. Reheat gently.

Tried this recipe?

Let us know how it was!