Greek Burger

Ingredients

• 1 lb. ground lean beef
• 1/2 c. finely chopped onion
• 2 Tbsp. lemon juice
• 1 tsp. oregano leaves, crushed
• 1/2 tsp. garlic powder
• 1/2 tsp. salt
• 1/4 tsp. ground black pepper
• 1 c. chopped tomato
• 1/2 c. crumbled Feta cheese