clock clock iconcutlery cutlery iconflag flag iconfolder folder iconinstagram instagram iconpinterest pinterest iconfacebook facebook iconprint print iconsquares squares iconheart heart iconheart solid heart solid icon
tuna casserole in a bowl with a fork.

Healthy Tuna Casserole

  • Author: Maggie
  • Total Time: 40 minutes
  • Yield: 6-8 servings 1x


This healthy tuna casserole is full of flavor and texture! It is lower in fat than other tuna casseroles and provides 20grams of protein per serving!


  • 1/2 white onion, diced
  • 2 cloves garlic, minced
  • 2 tbsp cooking oil (evoo or avocado)
  • 8 oz mushrooms, sliced
  • 1/2 box pasta shells (about 8 ounces
  • 1 5 oz can tuna (albacore, solid white packed in water and drained)
  • 1 cup cottage cheese, small curd (I used low fat)
  • 3/4-1 cup pepper jack cheese, shredded
  • 1/2 cup breadcrumbs, plain
  • Garnish with chives, optional


  1. Preheat oven 350F and set aside casserole dish. 
  2. Begin to sauté garlic, onions in cooking oil in a sauce pan. Once onion is translucent, add in sliced mushrooms. 
  3. While the mushroom mixture is cooking. Cook pasta according to box directions and drain when finished. 
  4. After the mushroom mixture is fully cooked. Add in the drain pasta, can of tuna and cottage cheese. Mix well until all ingredients are incorporated. 
  5. Pour pasta mixture into a casserole dish. Top with shredded pepper jack cheese and breadcrumbs. 
  6. Bake the casserole for 20-25 minutes at 350F or until cheese gets brown and bubbly. 


Gluten Free: Use gluten free pasta and breadcrumbs.

  • Prep Time: 20 minutes
  • Cook Time: 20 minutes
  • Category: entree, casserole
  • Method: Bake
  • Cuisine: American, vegetarian

Keywords: healthy tuna casserole, tuna casserole, healthy tuna casserole recipe

Recipe Card powered byTasty Recipes
Privacy Policy