2 C flour
2 t baking powder
1/2 t baking soda
1 t sugar
1 t salt

Whisk well

1 C cold buttermilk
1 stick unsweetened butter that you've melted and let sit 5 min

In another bowl, add the melted butter to the buttermilk, while stirring with a balloon whisk until butter clumps. Mix all ingredients.

Use large silver portion/ice cream scoop to drop biscuits on parchment paper. They will expand during cooking to be about 2 1/2" diameter, and 1 1/4" high. Cook 475 for 12 - 13 minutes.