These biscuits use a stacking technique that creates crazy flaky layers - you literally stack pieces of dough on top of each other before rolling. They're buttery, salty-sweet, and way better than anything from a can.
Whisk together 5 1/4 cups all-purpose flour, 3 Tbsp white sugar, 1 Tbsp plus 3/4 tsp baking powder, 1 Tbsp salt, and 1/2 tsp baking soda in a large bowl.
Add 1 1/2 cups cold unsalted butter cubes and work into flour with hands or pastry cutter until crumbly and pea-sized.
Drizzle in 1 1/2 cups cold buttermilk while tossing with a fork, then knead a few times until shaggy dough forms.
Turn dough onto floured surface and pat into a 1-inch thick square.
Cut square into 4 equal pieces and stack them on top of each other.
Press down to flatten, then roll into a 1-inch thick rectangle.
Cut biscuits with a cookie cutter, pressing straight down without twisting.
Transfer biscuits to prepared baking sheet and refrigerate for 30 minutes.
Preheat oven to 425F.
Brush biscuit tops with 3 Tbsp melted unsalted butter and sprinkle with salt.
Bake at 425F, immediately reducing temperature to 400F, for 20-25 minutes until golden brown.
Notes
Don't overwork the dough. Some larger butter chunks help create flakiness. Stacking the dough creates the layers.
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