Ube Cake (Filipino Purple Yam Cake)

INGREDIENTS

For the Ube Cake Batter:

2 1/2 cups

cake flour

2 1/2 tsp

baking powder

1/2 tsp

salt

2 tsp

ube extract (see notes)

1/2 cup

vegetable oil

1/2 cup

milk

egg yolks, room temperature

1/3 cup

granulated sugar (see notes)

1/2 cup

ube jam (see notes)

Purple gel food colour (optional)

For the Meringue:

egg whites, room temperature

1 tsp

cream of tartar

3/4 cup

granulated sugar

For the Ube Swiss Meringue Buttercream:

See this recipe

Ube extract,