2 lb split peas
3-4 qt water
1 ham bone or smoked ham hock
1-2 c chopped celery
1 c chopped onion
3 large diced carrots
1-2 bay leaves
1/4 – 1/2 tsp thyme
salt and pepper (and turmeric) to taste

Wash and sort peas, add enough water to cover them + s inches.  Boil for 2 minutes, cover and let stand for one hour.  Add everything else, heat to boiling, and simmer for three hours.  Remove bone, add diced ham if desired.  Fix seasoning.