Argentinian Beef Empanadas

Ingredients (12)

• + ½ pound ground beef add to pantry
• + 3 tablespoons butter add to pantry
• + 2 medium onions, chopped add to pantry
• + 1 green onion, chopped add to pantry
• + 2 large eggs hard-boiled eggs, chopped add to pantry
• + 14 each pitted green olives, such as Manzanilla, finely chopped add to pantry
• + 3 tablespoons raisins add to pantry
• ✓ 1 teaspoon cumin
• + ½ teaspoon salt add to pantry
• + ¼ teaspoon black pepper add to pantry
• + 2 (17.5 ounce) packages frozen puff pastry (each with 2 sheets), thawed add to pantry
• ✓ 1 raw egg, lightly beaten