01 -
Preheat oven to 175°C top and bottom heat. Line four muffin moulds with paper liners.
02 -
In a mixing bowl, thoroughly combine oil, sugar, almond extract, and vanilla extract.
03 -
Incorporate egg white and sour cream, mixing until smooth.
04 -
Sprinkle flour, baking powder, salt, and rainbow sprinkles over the wet mixture and gently fold in until just combined.
05 -
Evenly divide the batter into the prepared moulds. Bake for 17 to 20 minutes, or until a toothpick inserted in the centre comes out clean. Allow to cool completely.
06 -
Using a hand mixer, beat the softened butter for approximately 1 minute until creamy.
07 -
Add icing sugar, 1 tablespoon cream, and vanilla extract. Whip for 1–2 minutes until smooth and creamy, adding more cream if needed for consistency. Fold in 1 tablespoon rainbow sprinkles.
08 -
Pipe or spread the frosting onto cooled cupcakes and garnish with additional rainbow sprinkles as desired.