1/3 cup of canola oil
8 large onions, chopped
1 bunch celery, chopped
10# yams
1/4 tsp cayenne
bouquet garni:
10 slices ginger root
4 bay leaves
3 qts milk
Sauté chopped onion in canola oil. Add salt (a lot) and cayenne (little tiny bit). Add chopped celery, yams, and bouquet garni. Add water to cover, bring to slow boil, cook until tender. Remove and discard the bouquet garni.
Add 1 pint of whole milk to blender, add soup ingredients till blender is 2/3 filled. Blend on low setting for about 15 seconds, then turn to high for approximately 20 seconds( till smoothly blended). Repeat for entire ingredients. Add salt to taste.
This recipe was written for the professional kitchen — with a minimum of instruction. Note also that this recipe makes approximately 5 gallons of soup. Adapt accordingly for your own needs.