Tiny Greek Beef Tarts

Ingredients

• 350 gr. of US Hamburger meat
• 1/2 cup onion
• 1 teaspoon garlic
• 3/4 cup chopped seeded tomato
• 1/2 teaspoon dried oregano leaves
• 1/4 teaspoon salt
• 1/8 teaspoon pepper
• 2 packages frozen mini phyllo shells (30 shells total)
• 1/2 cup crumbled feta cheese