Heat oven to 350°f (325°f for dark or nonstick pans). See more ideas about butterfly birthday, butterfly birthday cakes, butterfly cakes. Really like the forest feel of this butterfly garden cake It is easier than it might look, you can basically make it with any type of round sponge.Birthday cakes for girls+butterfly. Come and join in the fun of our rainbow butterfly birthday party. Rectangles, squares or even oblong. During ancient greece, birthday cake images used to be round, to symbolize the shape