I think this recipe may have come from Allrecipes, but I'm not sure. I've had it for ages and it makes for a nice change of pace for a little something different with chicken.
6 skinless boneless chicken breasts
1 cup apricot preserves
1 Tablespoon distilled white vinegar
1 Tablespoon brown sugar
Preheat oven to 350 degrees. Place chicken breasts in a 9x13 baking dish. Combine preserves, vinegar, and brown sugar. Pour mixture over chicken breasts. Cover and bake for 50 minutes. Remove cover and bake for 10 more minutes.