Gluten Free Brownies

All-Purpose Gluten Free Flour

• 200 g quinoa, white
• 100 g chia seeds
• 200 g cornstarch
• 100 g arrowroot flour

Brownies

• 175 g sugar
• 140 g dark chocolate chips
• 100 g butter, unsalted, diced
• 1 tsp instant coffee (可省略)
• ½ tsp baking powder
• ¼ tsp xanthan gum
• ⅛ tsp salt
• 3 eggs, large