Onion mixture can be made in advance. Cool completely, then refrigerate up to 24 hours before using as directed.
Caramelized Onion Pizza
Substitute 1 pkg. (1 lb.) frozen pizza or bread dough, thawed, for the pizza crust. (Do not prebake dough.) Press dough into rectangle on baking sheet as directed; top with cheese, onions and olives. Bake in 425°F oven 25 min. or until edges of crust are golden brown. Makes 8 servings.