-butter -bittersweet chocolate -semi-sweet chocolate -sugar -eggs -vanilla -flour -salt -Oreos -chocolate chips
Stir in the chopped chocolate, stirring constantly until completely melted. Turn off the heat. Measure in the sugar, stirring with a rubber spatula until combined. Let cool for 5-10 minutes. Break the eggs in a separate bowl. Measure the vanilla into the bowl with them. Whisk with a whisk or a fork until combined.
Temper the egg mixture with a spoonful of the chocolate mixture, stirring vigorously. Pour the egg-vanilla mixture into the skillet, stirring vigorously to incorporate all the wet ingredients. Add the flour and salt to the skillet, stirring until just combined.