2 hard-boiled large eggs
1/2 medium onion, finely chopped
1 tablespoon olive oil
1 garlic clove, finely chopped
1/2 teaspoon ground cumin
1/2 teaspoon dried oregano
3/4 pound ground beef chuck
2 tablespoons raisins
1 1/2 tablespoons chopped pimiento-stuffed olives
1 (14-ounce) can whole tomatoes in juice, drained, reserving 2 tablespoons juice, and chopped
1 package frozen empanada pastry disks, thawed
About 4 cups vegetable oil
a deep-fat thermometer