Michele s Ground Beef Casserole

1 pound ground beef

½ pound bulk hot Italian sausage

1 onion, chopped

1 bell pepper, chopped

2 tablespoons all-purpose flour

1 teaspoon salt

¼ teaspoon dried oregano

⅛ teaspoon ground black pepper, or to taste

1 (26 ounce) jar spaghetti sauce

1 (16 ounce) package frozen mixed vegetables, thawed

1 (8 ounce) package refrigerated crescent roll dough

1 cup shredded Cheddar cheese

Preheat oven to 350 degrees F (175 degrees C). Grease a 13x9-inch baking dish.

Cook and stir ground beef, sausage, onion, and bell pepper together in a large skillet over medium heat until the beef and sausage are completely browned and crumbled, 7 to 10 minutes. Drain grease from skillet and return to heat.

Stir flour, salt, oregano, and black pepper into the beef mixture. Pour spaghetti sauce over the mixture. Add mixed vegetables; bring mixture to a simmer and cook for 5 minutes. Transfer mixture to prepared baking dish.

Roll crescent dough into a flat layer atop the beef mixture; sprinkle with Cheddar cheese.

Bake in preheated oven until the dough is golden and the cheese is melted, about 30 minutes.