Spanish Rice is a Mexican side dish. The ingredients are then sautéd in a skillet with oil or fat until it … The front of the package should clearly say "100 percent whole-grain" or "100 percent whole-wheat." It is made from white rice, tomatoes, garlic, onions, and other spices. 2. All grains/flours in the ingredients list should be preceded by the word "whole", except for brown rice and oat flour which are already whole-grain.