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Easy Tuna Casserole Recipe

Easy Tuna Casserole Recipe

Easy and delicious tuna casserole recipe made with common, every day ingredients!
Course Dinner
Cuisine American
Keyword Tuna Casserole
Prep Time 10 minutes
Cook Time 50 minutes
Total Time 1 hour
Servings 8
Author I Heart Recipes


  • 3 cups rotini pasta uncooked
  • 12 oz canned tuna drained
  • 1 1/2 cup frozen mixed vegetables
  • 1/4 cup diced red bell peppers
  • 1/4 cup diced green onions
  • 1/4 cup diced onions red, yellow, or white.. doesn't matter
  • 10.5 oz can of cream of mushroom
  • 12 oz of alfredo sauce
  • 2 cups shredded sharp cheddar cheese
  • 1 tsp minced garlic
  • 2 tsp salt
  • 1 tsp ground black pepper
  • 2 cups garlic & cheese croutons crushed OR Seasoned bread crumbs
  • 2 tbsp butter
  • 2 tsp parsley flakes optional


  • Boil the rotini until it is nice and al dente', then drain, and set to the side.
  • Next toss all of the chopped onions, peppers, garlic, and mixed vegetables into a large mixing bowl.
  • Next add in the tuna, and 3/4 cup of sharp cheddar cheese.
  • Now add in the alfredo sauce, and cream of mushroom soup.
  • Fold the ingredients, then add in the rotini.
  • Sprinkle in the salt & pepper.
  • Fold everything until well combined.
  • Preheat your oven to 375 F.
  • Butter a medium sized casserole dish.
  • Add the tuna casserole mixture into the dish, spread throughout the dish.
  • Sprinkle the remaining cheese on top of the casserole.
  • Sprinkle on the crouton crumbs OR seasoned bread crumbs, then the parsley flakes.
  • Leave the casserole uncovered, and bake for 40 minutes.
  • Let sit for 10 minutes before serving.
  • Enjoy!