4. Bake a Moist Chocolate Cake
Mayonnaise is a product of egg yolk, oil and lemon flavor, which can create a moist chocolate cake. The egg yolk and oil help enrich the baked good, and the acid in the lemon adds a punch. If you use mayonnaise, there is no need for any eggs.
3. Clean Light Switches
Light switches get so dirty from constant use. The oil in the mayo will loosen any dirt and grime. Just dab some on a washcloth and gently wipe the grime away.