Ingredients
1 2/3 cups granulated sugar
1/2 cup unsalted butter, softened
1/4 cup canola oil
5 eggs, separated, room temperature
1 tsp coconut extract
1 tsp vanilla extract
2 1/4 cups cake flour
1 tsp baking powder
1/2 tsp baking soda
1/4 tsp salt
1 cup buttermilk, room temperature
2 cup shredded sweetened coconut
1/4 tsp cream of tartar
Preparation