3/4 cup boiling water
1 tablespoon medium-chain triglyceride (MCT) oil
1 tablespoon cacao powder
5 drops vanilla extract
1 pinch salt
7 drops liquid stevia, or to taste
Combine boiling water, egg, MCT oil, cacao powder, vanilla extract, and salt in a blender. Whip until well mixed and frothy. Add enough stevia to reach desired sweetness.