Why not bring two things you're passionate about together into one project? For April Fools Day that involves my love of chocolate combined with my ongoing commitment to embarrass my children. Who Ordered The Poo Poo Platter?
Ice Cream Mashed Potatoes - April Fool's Day - scoop of vanilla ice cream or frozen yogurt makes for convincing mashed potatoes. Set a helping on each plate and top with butterscotch or caramel sauce gravy just before serving.
Lawn Surprise- take a brownie and form it to look like dog poo. Place it on the grass of the victim's yard. As you and victim pass by, point it out to the victim, bend over and examine it. Then grab it and put it into your mouth.