INGREDIENTS
1/2 cup
lukewarm water (110° F)
2 1/4 tsp
active dry yeast
3 tbsp
+ 1 teaspoon sugar, divided
625 g
all-purpose flour
1 tbsp
+ 2 teaspoons baking powder
1 1/2 tsp
sea salt
1 tsp
baking soda
1/2 cup
cold unsalted butter, cubed
1/2 cup
shortening
2 cups
buttermilk
4 tbsp
melted butter, divided