Crust: Combine crumbs and butter, ... half of chocolate chips and swirl with a knife. ... 40 minutes; turn oven off and partially open oven ... at least 8 hours.
Place butter in a 13x9x2-inch ... a heated 350°F oven until melted. Remove from the ... crumbs. Sprinkle with chips; press down firmly. Bake ... cutting. Yield: 3 dozen.
Beat egg whites with salt ... Add coloring and chips. Cover cookie sheet with ... onto sheet. Preheat oven to 375 for 15 minutes. ... overnight. Makes 24 cookies.