Tuna casserole is a classic American comfort dish combining protein-packed tuna, tender pasta, a creamy mushroom sauce, and a crispy breadcrumb topping. Perfect for a satisfying lunch, this versatile recipe is easy to customize with gluten-free, dairy-free, or gourmet variations.
Aluminum foil (if reheating or covering leftovers).
Ingredients
For the Casserole Base
2cupsElbow macaroni (or any short pasta)
2cansTuna, drained
1mediumOnion, finely chopped
2cupsFrozen peas
1cupShredded cheddar cheese
1canCream of mushroom soup
1cupWhole milk (or almond milk as an alternative)
établespoonsUnsalted butter
For the Topping
1cupBreadcrumbs (panko works great!)
½cupGrated Parmesan cheese
2tablespoonsMelted butter
1teaspoonGarlic powder
1teaspoonDried parsley
Instructions
Preheat and Prepare
Preheat your oven to 375°F (190°C). Lightly grease a 9x13-inch baking dish with cooking spray or butter.
Cook the Pasta
Boil salted water and cook elbow macaroni until al dente. Drain and set aside.
Sauté the Onions
Melt butter in a skillet over medium heat. Add chopped onion and sauté until soft and translucent (4–5 minutes).
Make the Creamy Mixture
In a large bowl, whisk together cream of mushroom soup, milk, and garlic powder. Fold in cooked pasta, sautéed onions, frozen peas, cheddar cheese, and drained tuna until combined.
Assemble the Casserole
Add the mixed food to the baking dish with oil before baking and distribute it evenly throughout the bottom.
Add the Topping
In a bowl, mix breadcrumbs, Parmesan cheese, melted butter, and parsley. Spread evenly over the casserole.
Bake to Perfection
Bake uncovered for 25–30 minutes, until the top is golden and crispy.
Serve and Enjoy
Let the casserole cool for 5 minutes before serving. Garnish with parsley, if desired, and enjoy!