Originally Posted by FromMyasCloset
I'll give that a try. I usually do 275 for 30mins.
I usually do 250 for 25 minutes, and my darker/brighter polka dot ribbon will have that effect unless I lower my temp to 225.
If you look at the polka dots closely, they are essentially some type of vinyl (or something lile that), so what you're doing is pretty much melting the dots, with higher oven temps, to the point that the brighter/darker ribbon color is showing through.