The Famous Ritz Carlton Tea Room Lemon Pound Cake. 3 cups all-purpose flour 1 Tbsp baking powder 3/4 tsp salt 3 cups sugar 1 cup unsalted butter, room temperature 1/2 cup shortening, room temperature 5 large eggs 1 cup whole milk 6 Tbsp lemon juice 1 lemon, zested Preheat oven to 350F