Yellow Cake with Chocolate Frosting

INGREDIENTS

2 sticks

unsalted butter, room temperature

1/3 cup

vegetable oil

1 tsp

salt

2 1/2 cups

granulated sugar

large eggs, room temperature

3 cups

cake flour

1/2 tsp

baking powder

1/2 tsp

baking soda

1 cup

sour cream, room temperature

1 tbsp

pure vanilla extract

1 tsp

butter extract

2 sticks

unsalted butter, room temperature

4 cups

confectioner's sugar

1/2 cup

cocoa powder

1 tbsp

pure vanilla extract

3 tbsp

heavy whipping cream

2 tbsp

vanilla extract