Caramelized Onion and Prosciutto Tart - Pepperidge Farm

Ingredients

• 2 tablespoons all-purpose flour
• 1/2 of a 17.3-ounce package Pepperidge Farm® Puff Pastry Sheets(1 sheet), thawed
• 2 tablespoons olive oil
• 4 large onion, cut in half and thinly sliced (about 4 cups)
• 0.333 pound thinly sliced prosciutto, cut into matchstick-thin strips
• 1 package (4 ounces) goat cheese, crumbled (about 1 cup)
• 2 tablespoons chopped fresh chives