This is an intense, all-purpose reduced meat and poultry sauce base that you’ll find called for in many recipes in this book. It can be stored in the refrigerator for 6 months or frozen for up to 1 year.
Crack the veal bones and chicken carcasses with a cleaver into very small pieces or have the butcher do this for you. Place them in a deep stockpot, cover with warm water, and quickly bring to a boil. Boil hard for 3 minutes. Drain, rinse, and return to the pot.
Cover the bones with 6 quarts cold water. Add the fatty pieces of veal if you have them. Slowly bring t