Rich and Creamy Tonkotsu Ramen Broth

slab Pork fat back

Garlic cloves

3-inch knob Ginger

Leeks, whole

Mushrooms or mushroom scraps, whole

Onion, large skin on

Scallions

lbs Chicken backs and carcasses, skin and excess fat removed

Vegetable oil

3 pounds pig trotters, split lengthwise or cut crosswise into 1-inch disks (as your butcher to do this for you)