Recipe :: spinach and cheese stuffed chicken

Ingredients
4 boneless, skinless chicken breasts
Salt and pepper (to taste)
1 tbsp. butter
1 small onion, chopped
About 1 1/2 cups uncooked spinach - or peppers, which I used cause I was out of spinach
1 1/2 cups shredded cheddar cheese

Directions
1. Preheat oven to 400 degrees.

2. Put each chicken breast between two sheets of waxed paper, and pound to 1/4-inch thick, then season with salt and pepper. Set aside. 

3. Cook spinach and onion in butter over medium heat. 

4. Remove from heat and in a bowl mix with cheese. 

5. Place some spinach mixture on each chicken breast, and fold edges over. use toothpicks to secure. 

6. Bake 15 min or until juices run clear.