Rainbow Cloud Cake

FLOUR
SUGAR
BAKING POWDER
SALT
BUTTER

EGGS
MILK
OIL
YOGHURT
VANILLA

SPRINKLES

BAKE

BUTTERCREAM
PURPLE FOOD GEL

PINK FOOD GEL
ORANGE FOOD GEL
YELLOW FOOD GEL
GREEN FOOD GEL
BLUE FOOD GEL