Before grilling veg cheeses in a sandwich, always bring cheese to room temperature before assembling and grilling.
The cheese will melt quicker.

http://chefdavies-tight.com/2016/01/04/potato-bread-quesadilla/
ANIMAL-FREE IS YOUR ANCHOR. CHEF DAVIES-TIGHT YOUR GUIDE IN THE PREPARATION & EXECUTION Of HER FIVE STAR ANIMAL-FREE CUISINE! WELCOME ABOARD!
Before grilling veg cheeses in a sandwich, always bring cheese to room temperature before assembling and grilling.
The cheese will melt quicker.

http://chefdavies-tight.com/2016/01/04/potato-bread-quesadilla/