1. In a pan, melt butter and saute onion.
2. Blend in flour.
3. Gradually add water or broth, stirring to keep smooth.
4. Add tomato sauce, garlic powder, salt and hot sauce.
5. Simmer for 5 mins. or until thick.
1. In a bowl, combine sour cream or yogurt and grated fresh garlic, about 2-3 cloves.
2. Add juice of 1/2 lemon or lime + chopped cilantro.