1Whisk flour, salt, sugar, and baking powder in a mixing bowl.
2Heat butter and milk in a 2-cup glass measuring cup in the microwave on high in three 30-second bursts, stirring between each until the butter is melted.
3Pour the hot liquid over the dry ingredients.
4Stir with a fork until the mixture holds together when squeezed.
5Turn the dough out onto a work surface and knead until smooth.