The phrase "heat cook" means to use heat to prepare or make food. It refers to the process of cooking by applying heat, such as using a stove, oven, or grill. Full definition
Melt the butter (or your choice of high heat cooking oil)-- saute the onions and the mushrooms in medium high. (delightfultastebuds.com)
When the sugar starts to melt, arrange apple slices and over medium heat cook for 1 minute without flipping. (eugeniekitchen.com)
It's an ideal medium heat cooking oil (350 °F), butter substitute for baking, and a wonderful spread or topping for bread, vegetables, and popcorn. (kitchen.nutiva.com)