then stir in the powdered sugar. stir the egg mixture into the chocolate mixture and then stir in the flour.
grease a muffin pan (don’t ever use paper liners) and fill muffin cups almost to the top.
bake for 5-8 minutes. watch closely: the whole cake will puff up and they’re done a few seconds after you see the very center puff up. remove from the oven. place a baking sheet on top of your muffin pan and flip, holding both pans together. gently lift up the muffin pan and shake it a little so the cakes release before the “lava” center breaks through the top (now bottom) of the cake. if 