INGREDIENTS
1
Egg, large
1 1/2 tsp
Baking powder
150 g
Caster sugar
40 g
Cocoa powder
1 tbsp
Cornflour or corn starch
2 tbsp
Funfetti sprinkles
435 g
Icing or powdered sugar
315 g
Plain flour
2 tsp
Vanilla bean paste or vanilla extract
1 tsp
Vanilla extract
290 g
Butter, unsalted
120 milliliters
Milk
180 milliliters
Sour cream
65
Grans (1/4 cup + 1 tablespoon) caster sugar