Funfetti Birthday Cake

Instructions

1. 1

   With the rack in the middle position, preheat the oven to 350°F (180°C). Butter the sides of two 8-inch (20 cm) springform pans with removable bottoms. Line the bottoms with parchment paper.

2. 2

   In a bowl, combine the flour, baking powder, baking soda and salt.

3. 3

   In another bowl, combine the buttermilk, vanilla and vinegar.

4. 4

   In a third bowl, whisk the sugar and oil with an electric mixer for 2 minutes. Add the egg whites. With the machine running on low speed, add the dry ingredients alternating with the buttermilk mixture and whisk until smooth.

5. 5

   Add ¾ cup (180 ml) sprinkles to the cake batter and mix to combine. Divide the batter between the two prepared cake pans.

6. 6

   Bake for 40 to 45 minutes or until a toothpick inserted in the centre of a cake comes out clean. Let cool. Unmould and let cool completely on a wire rack, about 3 hours.