* Exported from MasterCook * Onion and Prosciutto Tart Recipe By : Miriam P. Posvolsky Serving Size : 8 Preparation Time :0:00 Categories : Hors d'Oeuvres And Dips Amount Measure Ingredient -- Preparation Method -------- ------------ -------------------------------- 1/2 lb puff pastry 4 large onions -- chopped 3 ounces prosciutto -- diced 1/2 teaspoon thyme 1/2 teaspoon rosemary 2 tablespoons olive oil 12 large black olives in oil -- pitted freshly ground black pepper salt if needed 1 egg Cook onions in oil with herbs until onions are transparent. Add prosciutto and cook 3 minutes. Season with pepper and check salt. Chill. Roll out dough into a rectangle 11" by 9. Cut 4 strips of dough to make the borders and press them on the edges of rectangle. Transfer to cookie sheet and baste edges with beaten egg. Chill 1/2 hour. Pre- heat oven to 425. Spread onion mixture on prepared dough. bake 30 minutes . Reduce heat to 300, decorate tart with sliced olives and continue baking another 15 minutes. - - - - - - - - - - - - - - - - - - NOTES : Serve cut into squares as an appetizer.