If you wondering how you can decorate your letter cakes, I can give some ideas, but you need to remember that the options are endless and you can be as creative as you like and adjust the cake decorations to the person the cake is made for. Here are some ideas: macaron cookies, meringue kisses, strawberries, raspberries, blueberries, mango cubs, kiwi, grapes, any fresh berries or fruits, chocolate, chocolate bars, candies, edible flowers, sprinkles, nuts, cocoa powder, marshmallows and more.