PREHEAT oven to 350° F. Grease 13 x 9-inch baking pan.
HEAT oil in large skillet over medium-high heat. Add sausage, onion, bell peppers and garlic. Cook, stirring to break up sausage, for 7 to 10 minutes or until sausage is no longer pink; drain.
COMBINE bread cubes, cheese and sausage mixture in a large bowl. Beat evaporated milk, pumpkin, eggs, salt, pepper, oregano, basil and marjoram in medium bowl. Pour over bread mixture, stirring gently to moisten bread. Pour into prepared baking pan.
BAKE for 30 to 35 minutes or until set. Serve warm.