boiled down broth cooked from vegetable scraps and poultry trimmings with protein foam and fat eyes in a large stainless steel pot

broth stock cooking vegetable soup poultry food boiling foam fat eyes homemade chicken meat carcass scraps trimmings onion herbs spices pot stainless steel professional kitchen chef no waste sustainable preparation protein liquid base nutrition recipe restaurant concept healthy leek water bouillon cuisine collagen paleo diet ingredient metal nobody