Simply combine self-rising flour and heavy whipping cream. Knead gently until combined. Pour the dough onto a floured countertop. Gently pat, knead and roll the dough to a 1/2-inch thickness. Dust with flour. Fold the dough over on top of itself. Pat, knead, and roll the dough out again. Cut dough with a 2-inch biscuit cutter. Place biscuits on a parchment lined baking sheet and bake.