Cat Head Biscuits

Ingredients

• 1 1/2 cups all-purpose flour
• 1 1/2 cups cake flour
• 1 tablespoon baking powder
• 1/2 teaspoon baking soda
• 1 teaspoon salt
• 8 tablespoons unsalted butter, cut in 1/2-inch pieces and softened
• 4 tablespoons shortening, cut in 1/2-inch pieces
• 1 1/4 cups buttermilk