Make Ahead
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 into rectangle, then top with cheese, onions and olives as directed. Bake in 425°F-oven 25 min. or until edges of crust are golden brown.