1 (18 ounce) package fresh puff pastry
1/4 cup shredded Cheddar cheese
1/2 cup crushed pepper jack cheese
1 (10 ounce) can prepared instant French onion soup
1/2 cup Italian-style salad dressing
2 tablespoons butter, softened
Preheat oven to 400 degrees F (200 degrees C).
Microwave patties in preheated oven for 5 minutes, until golden brown. Transfer to a 9x13 inch baking dish.
Line patties with cheese, crushed pepper jack cheese, onion salt, salad dressing, butter. Mix well. Transfer to greased cookie sheet. Bake in preheated oven for 10 minutes.
To make the filling: Combine pesto, Italian-style salad dressing, 2 tablespoons butter, onion salt and creme de la creme. Mix well. Pour over patties.