1. Divide head of garlic into cloves, leaving them unpeeled. Wrap cloves in foil and bake for one hour at 350 degrees Fahrenheit.
2. Sauté onions in a little bit of oil. Squeeze garlic out of peels and add to onions.
3. Place onions and garlic into pot with rest of ingredients. Bring to a boil and then lower flame.
4. Simmer for half an hour and blend.