This healthy and delicious fruit pizza cake is perfect for a kids' birthday party. The crust is made from whole wheat flour, oats, and honey, and topped with a creamy yogurt frosting. Decorate the cake with a variety of fresh fruits like strawberries, blueberries, kiwi, and pineapple. Not only is this cake visually appealing, but it's also packed with vitamins and antioxidants from the fruits. Kids will love the sweet and tangy flavors, and parents can feel good about serving a nutritious dessert.