Bake this irresistible Sand Castle Cake at home. Made with cake mix, white frosting, yellow food coloring and flag decorations. Easy step-by-step instru…
This Sand Castle Cake relies on simple, everyday ingredients such as box cake mix, jar white frosting, none none flag decorations and none none toy starfish. It comes together quickly and makes 4 servings. The step-by-step instructions below are written to be easy to follow, even on a busy day.
Whether you're rounding off a family dinner, bringing a treat to a gathering, or simply satisfying a sweet craving, this Sand Castle Cake delivers. Serve it warm or at room temperature, and add a scoop of ice cream or a spoonful of whipped cream for an extra-special finish.
Updated Jun 30, 2026