Layer half of bread, sausage, Cheddar cheese, Swiss cheese, onions and red bell pepper in Slow Cooker ceramic pot sprayed with non-stick cooking spray. Top evenly with spinach. Repeat layers with remaining half of bread, sausage, Cheddar cheese, Swiss cheese, onions and red bell pepper.
In large bowl, combine eggs, half-and-half, salt, and ground red pepper. Pour evenly over layered mixture.
Cover and cook at LOW 2 to 3 hours, or until lightly puffed and center is set.
Recipe Courtesy of KitchenAid.