Matcha Brownie Cookie Cake

Matcha Brownie Cookie Cake
(recipe adapted & modify slightly from here)

Ingredients:
Cookie
60g salted butter 
20g brown sugar 
20g fine sugar 
1/2 tsp salt
1 egg
1 tsp vanilla extract 
130g Blue Jacket Cake Flour 
50g Reese's peanut butter chips

Brownie
100g salted butter 
100g white chocolate 
2 large eggs
1 tsp vanilla extract 
30g fine sugar 
60g Blue Jacket Cake Flour 
12g matcha powder 
1/2 tsp baking powder

Method:
1. Cookie: In a medium mixing bowl, whisk butter & sugars together till light & pale in colour. Add in egg & vanilla extract & whisk till combined. Sift in flour, salt & chocolate chips till combined. Press mixture onto a 8" square tin. Chill for 30mins.

2. Brownie: Melt butter & white chocolate in a medium bowl in a microwave. Whisk in eggs, sugar & vanilla extract. Mix till combined. Sift in flour, matcha & baking powder till combined.

3. Pour batter in top of the cookie. Bake in a preheated oven @160C for 35mins.