Cream together:
50gr butter
0,5 dl sugar
Add and mix:
1 egg
Stir together and add:
2 dl gluten free flour
1 tsp baking powder
Also add then mix:
The juice and zest of 1 lemon
Bake at 200C for about 10-15 minutes or until baked through
Optional:
Frost with a mixture of lemon juice and confectionery sugar