This Bulletproof Ice Cream recipe is made with egg yolks! One egg yolk contains 13 essential nutrients, which makes it a superfood for you. The yolk is rich in B Vitamins, Vitamin A, E, and Selenium – all of which are important for vital cell function. Egg yolks are also loaded with choline, a vital micronutrient that helps the body absorb fat used to form DNA and cell structures in addition to improving cognitive function. A bonus, choline has also been shown to increase dopamine levels – yes, egg yolks can increase your happiness!