These open-faced crab empanadas are a delicious and elegant appetizer that will impress your guests. The flaky pastry is filled with a creamy crab mixture, flavored with onions, garlic, and spices. The empanadas are baked until golden and crispy, and then topped with a tangy cilantro-lime sauce. Serve these empanadas as a starter at your next dinner party or as a special treat for yourself.