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Close-up of a portion of classic tuna casserole on a natural wood board.

Grandma’s 5-star Classic Tuna Casserole

A comforting and easy-to-make tuna casserole with a crispy potato chip topping, perfect for a family dinner.
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Prep Time 10 minutes
Cook Time 25 minutes
Total Time 35 minutes
Servings: 4 servings
Course: Main Course
Cuisine: American
Calories: 450
Ingredients Method Notes

Ingredients
  

Canned Tuna
  • 2 ounces tuna, drained really well
Canned Soup
  • 10.5 ounces condensed cream of mushroom soup
Milk
  • 0.5 cup milk
Yellow Onion
  • 0.25 cup finely chopped yellow onion
Cooked Egg Noodles
  • 1 cup cooked egg noodles
Crushed Potato Chips
  • 0.5 cup crushed plain potato chips

Method
 

  1. Preheat oven to 375°F (190°C). Drain tuna and mix with soup, milk, and onion.
  2. Stir in cooked noodles, then pour into a baking dish.
  3. Sprinkle crushed potato chips on top.
  4. Bake for 20-25 minutes until bubbly and golden.

Notes

For extra flavor, add a sprinkle of cheese or herbs before baking.