Some additional Fontina cheese substitute suggestions are Gruyere cheese, Emmental Swiss cheese, provolone cheese, mozzarella cheese, Havarti and taleggio. However, this option only works if you ...

In the video, TikTok user Kam (@just1kam) shows a bag of Crystal Farms Provolone cheese for sale at a grocery store. Mold can be seen throughout the package, turning the cheese to a blue-grey.