1. Preheat oven to 350 degrees Fahrenheit. Spray a 8 x 5 inch loaf pan with cooking spray and set aside.
2. In a large bowl sift cake flour, green tea powder, baking powder and salt.
3. In a medium bowl whisk together yogurt, sugar, vegetable oil, eggs and vanilla until blended.
4. Stir wet ingredients into flour mixture until combined. Stir in chia seed.
5. Pour into prepared cake pan.
6. Bake for 50-55 minutes until cake tester inserted into the center comes out clean.
7. Cool in pan on a wire rack for about 20 minutes. Remove from pan and let set on wire rack until cool completely.

Green Tea Glaze

1. In a small bowl whisk confectioners sugar, green tea powder and milk until creamy. Using a toothpick, poke a few holes on the top of the cake and drizzle glaze on top.