Enough was enough. No Saturday pancakes because Mark was gone was no longer going to be tolerated. Joel assured me he had watched him sufficiently and would be able to do it himself now. I was close by, but let him do his thing, and after the first attempt failed (4 tbsp of baking powder instead of 4 tsp, which I did not witness) and the batter started rising up out of the bowl, he started over.
2nd time was perfect!