Argentinian Empanadas

Ingredients

• 1 cup all-purpose flour
• 0 cup cornstarch
• 1 teaspoon salt
• 0 cup cold butter
• 0 cup cold water
• 1 pound ground beef
• 1 tablespoon olive oil
• 1 onion chopped
• 1 teaspoon ground cumin
• 1 teaspoon paprika
• 0 teaspoon ground coriander
• 0 teaspoon ground cinnamon
• 0 teaspoon salt
• 0 teaspoon ground black pepper
• 0 cup chopped fresh parsley
• 0 cup chopped fresh cilantro
• 0 cup chopped green olives
• 0 cup chopped hard boiled eggs
• 1 egg beaten
• 2 tablespoons milk