Cheesy Sausage Hash Brown Casserole

Name: Cheesy Sausage Hash Brown Casserole
Ingredients: 4 cups hash brown potatoes; 2 cups Cheddar cheese (shredded); 1 cup sausage links (cooked); 1/4 cup red bell pepper ( diced); 1/4 cup yellow bell pepper ( diced); 2 tablespoons red onion ( diced); 1/4 teaspoon salt; 1/4 teaspoon black pepper; 1/8 teaspoon Creole seasoning ( or ground cayenne or red pepper); 5 large eggs (at room temperature); 1 and ½ cup half and half (or heavy cream); 2 tablespoons green onions (sliced); 1/4 cup tomatoes (diced); 1/4 cup sour cream