Lemon Velvet Cake

Ingredients:

1 1/4 cups sifted all purpose flour
1 1/2 cups sifted cake flour
1/2 teaspoon baking soda
1 1/2 tsp baking powder
1 teaspoon salt
1 1/2 cups sugar
2/3 cup vegetable oil
1/3 cup vegetable shortening at room temperature
1 tsp good quality vanilla extract
2 tsp pure lemon extract
3 large eggs
1 1/2 cups buttermilk
zest of two small or one large lemons grated and finely chopped
For the Frosting
4 cups icing sugar powdered sugar
1 cups unsalted butter
1 tsp pure lemon extract
1 tsp minced lemon zest optional
2 tbsp milk approximately
US Customary – Metric