Caramelized Onion and Apple Tarts with Gruyère and Thyme

Rated 4.3 out of 5

Every holiday celebration needs an easy and elegant appetizer to keep guests satisfied until the main event. This recipe from Chef Justine Kelly is just the thing: simple, pretty and delicious, with caramelized onions, apples and grated Gruyère cheese atop store-bought puff pastry.