Preheat the oven to 375 degrees F. Coat a 10-inch Bundt or tube pan with nonstick cooking spray. In a large bowl, combine the ground beef, onion, bread crumbs, 1 cup ketchup, the eggs, salt, and pepper; mix well. Place in the prepared pan. Spread the remaining 1/2 cup ketchup over the top of the meat. Bake for 1 to 1 1/2 hours, or until the juices run clear; drain off any liquid. Allow to sit for 5 minutes, then remove to a serving platter. "Frost" the meat with the mashed potatoes and garnish the bottom edge with the cherry tomato halves.

beef gravy over the mashed potato frosting to look like chocolate glaze. Happy April Fool's Day!