From Gypsy Feast: Recipes and Culinary Traditions of the Romany People by Carol Wilson
Preheat oven to 400*F (204*C). In a large bowl mix 2 cups Flour, 1 tsp. Baking Soda, 1 tsp. Salt and 1/2 tsp. Cream of Tartar. Rub or cut in 2 Tbsp. Butter until well dispersed. Make a well in the center and pour in 1/2 cup Buttermilk, mix quickly until a dough is formed. Knead lightly on a floured surface and roll into a round about 1 1/2 inches thick. Mark the top with four cuts. Bake on a lightly greased baking sheet for 20 minutes, until golden and sounding hollow when tapped.