Organic Corn Ready for Popping! Essential Popcorn. Originated in Mexico. Corn (Maize), the largest cereal, grows to 3m+ each plant yielding 1-2 cobs. The especially hard grains of popcorn explode when heated, as the grains' remaining moisture expands. Serve sweetened or salted as a snack, or can be used as a grain with meals. Cooking Instructions: Use a deep, heavy pan with a tight-fitting lid. Coat the bottom of a saucepan with oil. Put in a layer of popcorn, replace the lid, heat and when the popping starts, shake! Ingredients: Corn Storage Information: Cool, dry & hygienic; away from direct light & strong odours.