Cedar Key Crab Tart
["1 lb. Florida blue crab meat", "1 (1 1/4 oz.) pkg. onion soup mix", "1 c. milk", "1 egg, slightly beaten", "1/2 tsp. rosemary leaves", "1/8 tsp. white pepper", "1 (8 oz.) pkg. shredded Mozzarella cheese", "1/4 c. sliced ripe olives", "1 (15 oz.) pkg. refrigerated pie crust or 2 (9-inch) crusts"]
["You will need aluminum foil (for baking sheet)."]
["Florida blue crab meat", "onion soup mix", "milk", "egg", "rosemary", "white pepper", "Mozzarella cheese", "olives", "refrigerated pie crust"]