Begin by mixing together equal parts of arrowroot powder and green clay. I did half of a cup of each. Then, mix in a small amount of cocoa powder. This is to determined by your own skin complexion and how dark you'd like the foundation to be.
To use, apply with a soft makeup brush evenly throughout your face, highlight your T zone, and work outwards.
*This recipe produces a 'green' tint when first applied, but will disappear once it's set onto your skin.