I made my second-ever batch of crumpets today. (The first was about 20 years ago and I don't remember anything about it.) I followed this recipe to the gram and used 10cm-diameter, 1.5cm-high rings.
The main problem I had was that in almost every case, by the time the bottom of the crumpet was cooked enough (any more and it would have started to burn), there was still a layer of 1-2 mm of uncooked batter on the top. If I flipped the crumpet at that point this layer became a partial cover for the holes and so when I butter the crumpet it just runs off. I tried scraping the top layer off but either some half of it went into the holes that had formed and filled them in, or the last half a millimetre made a perfect (albeit thinner this time) cover for the holes and I was back to having the butter running off.
I tried everything: More heat, less heat, varying the heat during cooking, using less batter, thinning the batter, but nothing helped. Even putting in quite a lot less dough to make the crumpets thinner didn't really work because I still had the layer of runny batter until they were so thin that they barely formed any holes, once again not giving me the real crumpet effect.
Does anyone have any tips for this tragic situation?