28 ounces/800 grams AP flour (5 1/2 cups if your scale is broken but no guarantees!)
20 ounces/570 grams buttermilk, room temp or microwaved for 40 to 60 seconds to take the chill off it
1/4 ounce/7 grams (1 package) active dry yeast
1/2 ounce/14 grams kosher salt (1 tablespoon)
1.5 ounces/40 grams honey (2 tablespoons)
vegetable spray or butter for greasing a springform pan (can use 9-inch cake pan but may be hard to remove rolls)
1 egg
1 teaspoon poppy seeds (or as desired)
1 tablespoon melted butter, optional (good for photos!)