Lentil Puree - Add 2 cups of red split lentils, and 5 cups of water into a pot, bring to a boil, simmer and cook until tender. Drain off excess water, and keep the water. Puree the lentils, adding about 2-3 tbsp. of the water to make it smooth. Cool down and use, or package it, and place it in the the freezer.
Cream together: Butter brown sugar, lentil puree. Add vanilla and eggs, one at a time.