Onion Soup Gratinee. Preheat the oven to 400 degrees. Divide onion soup among four deep ovenproof.

Arrange the bread slices on a cookie sheet and bake for 8 to 10 minutes, until browned. The gratinée refers to using bread and cheese to make the delicious crusty topping. When i make this at home, i take this a step (or 2) (maybe 3) farther.