1) Cooking appliance 2) Cooking utensil 3) Cookware 4) Fire 5) Food preparation utensil 6) One could work under pressure 7) One under pressure 8) Oven 9) Pot of a kind 10) Pressure or fireless 11) Range 12) Slow-pot 13) Word after slow or pressure Found on https://www.crosswordclues.com/clue/cooker
an appliance or utensil for cooking: pressure cooker. · a person employed in certain industrial processes, as in brewing or distilling, to operate cooking apparatus. Found on https://www.infoplease.com/dictionary/cooker