Classic Tuna Casserole Recipe (with Video)

Preparation
1. Preheat the oven to 400 degrees.
2. In a medium bowl, combine the breadcrumb topping ingredients.
3. Mix until well incorporated and set aside.
4. Boil the noodles al dente according to package directions.
5. Drain them in a colander and rinse them under cold water.
Preparing the Mixture
1. In a medium skillet over medium-high heat, add 1 tablespoon of butter, diced onion and celery, and 1 tsp salt and 1 tsp pepper.
2. Cook until tender, about 5 minutes.
3. In a large bowl, combine the noodles, onion mixture, peas, mushroom soup, milk, cheese, tuna, parsley, 2 tsp salt, and 2 tsp of pepper.
4. Mix until everything is well incorporated.
5. Taste and adjust with more salt and pepper if needed.
Final Steps
1. Spread the mixture into a 2-quart casserole dish and top it with the breadcrumb topping.
2. Bake for about 30 minutes until it’s bubbly, and a brown crust forms on top.