Red Velvet Cake Roll

INGREDIENTS

1 cup

minus 1 Tablespoon all-purpose flour (see note)1

3 tbsp

unsweetened natural cocoa powder

1 tsp

baking powder

1/2 tsp

salt

large eggs, room temperature

1/2 cup

granulated sugar

1/4 cup

packed light brown sugar

2 tbsp

canola or vegetable oil

2 tbsp

buttermilk

1 tsp

white vinegar (helps the red color stand out)

1 tbsp

liquid red food coloring2

2 tsp

pure vanilla extract

for rolling: 1 cup (120g) confectioners' sugar