Mix pasty flour, baking powder, xanthan gum, baking soda, salt, vanilla pudding mix, sugar and poppy seeds in a bowl.
Add lemon juice, grated lemon peel, water, oil, eggs and vanilla extract.
Beat on low speed for 2 minutes.
Spray muffin tins with nonstick spray.
Bake at 350 for 15-20 minutes.