Gluten Free Lemon Poppy Seed Muffins

All-Purpose Gluten Free Flour

• 7 oz white quinoa
• 3 ½ oz chia seeds
• 7 oz corn starch
• 3 ½ oz arrowroot

Cupcakes

• 2 lemons
• 4 ½ oz sugar, plus extra to sprinkle
• 4 large eggs
• 5 oz vegetable oil
• 4 oz plain Greek yogurt
• 1 tbsp poppy seeds
• 1 tsp xanthan gum
• 1 tsp dried instant yeast
• ½ tsp baking powder
• ½ tsp baking soda
• ⅛ tsp salt
• 2 oz confectioners sugar
• 1 tbsp whole milk