Buttermilk biscuits

Ingredients
2c flour
4t baking powder
1/4t baking soda
3/4t salt
2T butter
2T shortening
1c buttermilk, chilled

Directions
Preheat oven to 450
Combine dry ingredients, cut in butter and shortning. Pour in chilled buttermilk. Stir just until dough comes together, will be sticky. Turn onto floured board. Knead 5 or 6 times. roll to desired thickness (1/2 to 1 inch). Bake 15 to 20 minutes.