If you haven't solved the ingredients issue yet, a possibly big clue is how a basic 20 points of Fire Damage of 35% 35% is only 1 Jumbo Pepper and 1 Sun Shard.
But 21 Damage turns it into 1 Jumbo Pepper, 1 Sun Shard, and 2 more Jumbo Peppers, with the recipe having ingredient duplication.