Heat oven to 350 degrees F. Knead flour into dough in bowl. Roll dough out 1/4 inch thick. Using assorted cutters, cut out shapes. Transfer to ungreased baking sheets. Gather scraps; repeat.
Bake in 350 degree F oven 9 minutes or until edges are golden. Cool on rack.
Prepare icing. Divide into batches; tint with food color. Coat cookies with thinned icing. Let dry. Decorate with thicker icing, piping with pastry bag fitted with writing tip. Makes about 20 (3-inch) cookies.