This recipe comes to us from Paula Santos.

1 medium sized cooked mashed potato
1 egg yolk
4 tablespoon rice flour
2/3 cup cornstarch
½ stick margarine (50g)

1 teaspoon baking powder
½ teaspoon salt

Mix all ingredients until workable and add more cornstarch if necessary. Open dough cut biscuits and bake at 350° for 20 minutes. welcomes your comments below (registration is NOT required).