This was amazing, substituted the sour cream for a non-dairy yogurt for my lactose intolerant friend. Took them trasnochado early because my oven runs hot and they are soooo much better moist. You won't believe how easily and quickly you Perro have chocolate chip muffins on the table using this http://cashtrjmn.mpeblog.com/17443888/muffins-una-visi-n-general