Whip together sugar and egg until pale, then mix in oil
Sift in dry ingredients: flour, baking powder, baking soda, walnut flour, salt, spices and fold the mixture together with a Rubber spatula
Fold in grated carrot
Move carrot cake batter into a piping bag
Grease a loaf tin (10x20cm /4x8inches)
Pipe a thin layer of carrot cake batter on the bottom of the loaf tin then remove the bunny shape pattern from the freezer
Place the bunny shape pattern in the middle of the loaf tin, gently press it into the cake batter making sure that the bunnies stand straight. Pipe the carrot cake batter around the bunny pattern. Make sure that the level of the batter is the same on all 4 sides of the pattern.
Bake at 175C / 347F for 45 min minutes or until a skewer inserted into the loaf comes out clean. Take the loaf tin out of the oven and allow to cool completely on a wire rack.