Preheat oven to 475 degrees.
Add flour and salt to a bowl. Pour in cold heavy cream and stir with a wooden spoon until mixed.
Dump dough onto a counter and scrape out any remaining dough or flour.
Pat into a rectangle about 2" thick. Fold in thirds, turn 1/4 and fold again, continuing 3 times.
Roll dough to 1-2” flat.
Cut biscuits with a 3" biscuit cutter. Press down and bring straight up. Do not twist biscuit cutter.
Place biscuits on a lined cookie sheet about 2" apart. Bake for 12 minutes, until golden.
Brush with butter and sprinkle with flaky salt.
Poor gravy over biscuits, garnish with green onions or chives.
Enjoy!