Baking powder, baking soda, cream of tartar, and spices: Dip and fill a measuring spoon, then level it off with a small metal spatula or table knife.
Brown sugar: Spoon into a dry measuring cup and pack down firmly, then level it off with a metal spatula.
Granulated sugar: Spoon into a dry measuring cup, then level it off with a metal spatula.
Fat-free evaporated milk and egg substitute: Always shake the can or carton before measuring in a glass liquid measure.
All-purpose and whole wheat flours: Stir to aerate the flour, spoon it into a dry measuring cup, then level it off with a metal spatula. Cake flour: Spoon lightly into a dry measuring cup, then level off with a metal spatula.
Liquids: Pour into a liquid measuring cup, place on the counter, and check measurements at eye level.