INGREDIENTS
3
cups all purpose flour
1 tbsp
granulated sugar
2 1/2 tsp
baking powder
1/2 tsp
baking soda
1/2 tsp
salt
3/4 cup
cold unsalted butter, cut into pieces
3/4 cup
cold plain Greek yogurt
1
large egg, beaten
3 tbsp
cold water
1
large egg, beaten, for brushing on biscuits