This isn't anything new, just a variations of the usual at our house. My girls have really taken a liking to black beans. I like to prepare mine in the crock pot with garlic and onions. (follow directions on package of beans for amounts to be cooked). After they have cooked all day, then I drain the juices into a separate bowl which will be added as needed to make the consistency desired. Mash or beat beans and add salt to desired flavor. It worked well for me to blend mine in the blender. Top tostada's with your family's favorite toppings.