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Golden and bubbly keto tuna casserole, garnished with fresh herbs, served in a modern kitchen.

Keto Tuna Casserole


  • Author: Jeremy
  • Total Time: 35 minutes
  • Yield: 4-6 servings 1x

Description

Creamy, cheesy, and packed with protein, this keto tuna casserole is the ultimate comfort food for anyone following a low-carb diet. Made with simple ingredients and ready in under an hour, it’s perfect for weeknight dinners or meal prep. Enjoy a delicious, low-carb twist on a classic dish!


Ingredients

Scale
  • 2 cans (5 oz each) tuna (drained)
  • 2 cups low-carb noodles (e.g., zucchini noodles, spaghetti squash, or shirataki noodles)
  • ½ cup heavy cream
  • 4 oz cream cheese (softened)
  • 1 ½ cups shredded cheddar cheese
  • ¼ cup Parmesan cheese
  • 1 tsp garlic powder
  • 1 tsp onion powder
  • Salt and black pepper (to taste)
  • ½ cup crushed pork rinds (optional, for topping)
  • 1 cup keto-friendly veggies (e.g., broccoli, spinach, or mushrooms)

Instructions

  • Preheat the oven to 375°F (190°C) and grease a baking dish.
  • Prepare the noodles: pat zucchini or shirataki noodles dry to remove excess moisture.
  • In a mixing bowl, whisk together cream cheese, heavy cream, garlic powder, onion powder, salt, and pepper until smooth.
  • Stir in the drained tuna, shredded cheese, and veggies (if using). Mix well and fold in the prepared noodles.
  • Pour the mixture into the greased baking dish and top with Parmesan cheese and crushed pork rinds for a crispy finish.
  • Bake for 25 minutes, or until the top is golden and bubbly.
  • Let the casserole cool for a few minutes before serving. Enjoy!

Notes

  • To prevent the casserole from becoming watery, ensure all veggies and noodles are thoroughly dried before mixing.
  • For a dairy-free version, substitute heavy cream with coconut cream and use dairy-free cheese.
  • Add crushed pork rinds or almond flour as a crispy topping for extra texture.
  • Prep Time: 10 minutes
  • Cook Time: 25 minutes
  • Category: Main Course
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: ~1 cup
  • Calories: 350
  • Sugar: 2g
  • Sodium: 750mg
  • Fat: 25g
  • Saturated Fat: 12g
  • Unsaturated Fat: 8g
  • Trans Fat: 0g
  • Carbohydrates: 4g
  • Fiber: 1g
  • Protein: 30g
  • Cholesterol: 80mg

Keywords: keto tuna casserole, low-carb tuna casserole, creamy casserole recipe, healthy casserole, easy keto dinner