Caramelized Onion Tart

Southern Living
6 servings

Ingredients

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3 pounds large sweet onions, sliced
2 tablespoons olive oil
1 teaspoon salt
1/2 (17 1/4-ounce) package frozen puff pastry sheets, thawed
1/2 cup shredded Parmesan cheese
Garnish: fresh rosemary sprigs

Preparation

Cook onion in hot oil in a large skillet over low heat, stirring often, 30 to 35 minutes or until onion is caramel colored. Stir in salt, and set mixture aside.

Unfold pastry sheet; fit into a 9-inch square tart pan.

Bake at 400° for 15 to 20 minutes or until browned. Remove from oven. Press pastry with the back of a spoon to flatten. Top with caramelized onion; sprinkle with Parmesan cheese. Bake 5 more minutes. Garnish, if desired.

Created date

March 1999