Same! I do 275F for 12 mins. I figured out you could generally increase the temp to lower the time, and vice versa, which seems obvious...but I thought it was

Same! I do 275F for 12 mins. I figured out you could generally increase the temp to lower the time, and vice versa, which seems obvious...but I thought it was a joke at first and would explode, so I treaded carefully. And just adjust a minute or two each way for soft, medium, hard, etc. So I imagine yours are on the hard side. Was amazed how fast and well done they came out.