Cranberry Chicken - cooking recipe

Ingredients

1 Tbsp. butter
1 small onion, chopped coarsely
3 lb. boneless chicken breasts
2/3 c. ketchup
1/3 c. brown sugar
1 Tbsp. cider vinegar
1 tsp. dry mustard
1 1/2 c. fresh or frozen cranberries, rinsed

Preparation

In a 15 x 10-inch baking dish, combine butter and onion.
Bake uncovered at 400\u00b0 until onion is pale gold.
Stir occasionally.