Biscuits with cream

2 cups flour (all-purpose or soft flour, sifted) 4 teaspoons baking powder 1/4 teaspoon baking soda 3/4 teaspoon salt (regular table salt, not kosher) 2[...]

2 cups all-purpose flour 4 teaspoons baking powder 1/2 teaspoon salt 1/2 teaspoon cream of tartar 2 teaspoons sugar 1/2 cup shortening 2/3 cup 2% low-fat milk[...]