Turkey cheddar Burgers

• 4 low fat cheddar (thin)
• 4 hamburger buns
• 2 garlic (cloves)
• 1 lemon
• 1 assorted condiments
• 1/2 onion
• 190 gr turkey (lean ground)
• 16 ml olive oil
• 3 gr parsley (chopped fresh)
• 2 gr salt