Heat Oven To 400 Degrees F. Place Chicken On Foil-Covered Baking Sheet. Slice 3 Cuts On Top Of Each Chicken Breast With Sharp Knife. Top Each Chicken Breast Evenly With Salsa, Sour Cream And Tortilla Chips. Bake 20 Minutes. Remove From Oven; Sprinkle With Cheese. Bake 10 Minutes Or Until Chicken Is Done (170 Degrees F).