There are few feelings more satisfying than knowing you brought the best dish to the potluck. Potluck Italian Sausage Casserole guarantees that euphoria, and that's before you even find out how good it tastes! Layers of tender-cooked pasta, juicy ground sausage, roasted vegetables, and melty cheese baked to golden brown perfection—how could anyone say no? Potluck Italian Sausage Casserole only takes an hour to make, so it'll be warm and ready by the time the first guests arrive, leaving you no time to worry. Get ready for the compliments to start rolling in!
Ingredients• 1 (16-ounce) package penne pasta • 1 pound ground Italian sausage • 1 tablespoon butter • 1 tablespoon olive oil • 1 medium onion, finely chopped • 1 medium carrot, finely chopped • 1 1/2 teaspoons dried oregano • 1 teaspoon salt • 1/2 teaspoon pepper • 1 small zucchini, halved lengthwise and sliced • 1 cup fresh mushrooms, chopped • 6 cloves garlic, minced • 1 (15-ounce) can tomato sauce • 1 (14-ounce) jar pasta sauce with meat flavoring • 2 cups part-skim mozzarella cheese, shredded • fresh parsley, optional, minced
Preheat the oven to 350 degrees F.
Grease a 9x13-inch baking dish.
Cook the pasta according to the package directions until al dente.
Drain the pasta and pour it into the prepared baking dish.
In a large skillet, cook the sausage, breaking it up into crumbles, over medium heat until no longer pink, about 6-8 minutes.
Drain the fat from the pan.
Transfer the sausage to a plate.
In the same skillet, heat the butter and olive oil over medium-high heat.
Add the onion, carrot, oregano, salt, and pepper, and cook while stirring for 5 minutes.
Add the zucchini, mushrooms, and garlic, and cook while stirring until the vegetables are tender, for about 6-8 minutes.
Stir in the tomato sauce, pasta sauce, and sausage.
Pour the sauce mixture over the pasta.
Sprinkle the top of the casserole with mozzarella cheese.
Cover the casserole with foil coated in cooking spray.
Bake for 10 minutes.
Uncover and bake until golden brown and the cheese is melted, for about 15-20 minutes.
Let the casserole stand at room temperature for at least 10 minutes.
Garnish with the parsley and serve!