Cream of Zucchini Soup

 From my mom

2 cups onions, chopped
2 TBSP butter
4 cups diced zucchini
3 cups chicken broth
1/8 tsp ground pepper
1/8 tsp nutmeg
1/8 tsp salt
pinch cayenne (optional)
1/2 cup half and half cream
cheddar cheese, shredded

Cook the onion in the butter utnil soft, but not brown. Add everything else but the cream and cheese and cook until the zucchini is soft (about 15 minutes). Puree the mixture in the blender until smooth. Return to pan and add cream. Heat until hot (but don't boil). Serve, garnish with cheese, if desired.