Share: Crisp A baked fruit dessert that has a crumb topping over fruit. The topping generally has flour, sugar and butter and may or may not have oats, nuts and spices. The topping gets crisp while baking. Related Tips Blend To combine several ingredients with a spoon, electric mixer, blender or food processor. Deep-Fat Fry To cook foods in enough hot oil so that the food floats in the oil. Full Rolling Boil To boil a liquid in which the bubbles created by the boil cannot be stirred down.