Step 1

Preheat the oven to 350 degrees F.

Step 2

Grease a 9x13-inch baking dish.

Step 3

In a large pot of salted, boiling water, cook the noodles to al dente, according to the package directions.

Step 4

In a large skillet, add the ground beef and the onion and cook, while crumbling the beef, until the meat is no longer pink, about 5-7 minutes.

Step 5

In a large bowl, combine the cooked noodles, the beef mixture, the peas, the cream of mushroom soup, the cream of chicken soup, and the sour cream.

Step 6

Pour the noodle mixture into the prepared baking dish.

Step 7

In a small bowl, toss the bread with the melted butter and then sprinkle it over the top of the casserole.

Step 8

Cover the casserole with foil, then bake for 25 minutes.

Step 9

Uncover the casserole and bake until it is heated through and lightly browned, about 15-20 minutes.

Step 10

Serve immediately.