Yogurt Chicken Kebab Cheese Melt

Combine chicken cubes, yogurt, salt, pepper, oregano, paprika, and lemon juice in a bowl. Marinate for at least 10 minutes. 

Skewer chicken onto bamboo sticks, alternating with bell peppers and onions.

Heat a griller and cook skewers for 4 to 6 minutes on each side. 

Remove chicken and vegetables from skewers; chop into pieces.

Assemble the sandwiches: Place chicken, vegetables, and a slice of cheese on top of a slice of bread. Heat in a toaster oven until cheese melts. Cover with another slice of bread. Repeat with remaining ingredients to make 4 sandwiches. Serve immediately.