Best Lemon Buttermilk Cake

INGREDIENTS

2 3/4 cups

cake flour, (sifted (or 2 ½ cups all-purpose flour + ¼ cup cornstarch))

2 tsp

baking powder

1/2 tsp

baking soda

1 tsp

salt

2 cups

granulated sugar

10 tbsp

unsalted butter, (softened)

large eggs

1/4 cup

vegetable oil

Zest of 1 lemon ((save juice for frosting))

1 tbsp

vanilla extract

1 tsp

lemon extract

drops yellow food coloring (*optional)

1 1/4 cups

whole-fat buttermilk

1 1/2 cups

unsalted butter, (softened (3 sticks))

3 tbsp

buttermilk

1 1/2 tbsp

lemon juice

5 cups

powdered sugar