Sausage Alfredo Stuffed Peppers
1 (12 ounce) package fresh mushrooms, chopped 1 (16 ounce) jar Alfredo sauce 1 cup sour cream 1 pound bulk spicy pork sausage 1 yellow onion, chopped 1 ½ (8 ounce) packages Neufchatel cheese 2 cloves garlic, minced 2 teaspoons garlic and herb seasoning, or mor… 2 teaspoons olive oil 3 large green bell peppers, tops and seeds re… salt and ground black pepper to taste salt to taste ½ (14 ounce) package cooked bacon, diced ½ cup shredded Cheddar cheese, or more to tas…