did you tightly pack them in to the baking tray? they need to be really packed down before baking and then stored in the fridge where they do firm up, i always use silicone bakeware so i have never had a problem with burning, regular glass or metal bakeware tends to get hotter then silocone maybe try baking them at a slightly lower temp, perhaps at 325 or take them out 5 minutes early. made exactly as the recipe states they are 128 calories.

In case anyone cares about that sort of thing, I calculate them to be 500 kJ a square (about 120 calories), so two or three should be about the right amount for a hearty breakfast (i.e. the equivalent of what I’d usually eat – a couple of pieces of toast and an apple or banana).