Step 1

Preheat oven to 350 degrees F (175 degrees C).

Step 2

Crumble pork sausage into a large skillet over medium-high heat; cook and stir until no longer pink, 7 to 10 minutes. Drain and discard any excess grease. Return skillet to heat; add cream of chicken soup, French onion dip, green bell pepper, red bell pepper, and onion. Fold hash brown potatoes and 1 cup Cheddar cheese into the mixture; bring to a simmer.

Step 3

Transfer sausage mixture to a 9x11-inch casserole dish; top with 1 cup Cheddar cheese. Cover dish with aluminum foil.

Step 4

Bake in preheated oven for 30 minutes. Remove foil and continue baking until beginning to brown around the edges, about 15 minutes more.