Instructions

1. Slice the onion, and then use two tablespoons of butter to caramelize your onion. (You’ll have leftover caramelized onion to make more of these later.)
2. Once your onions are caramelized, assemble the sandwich. Butter the outsides of your bread. Spread apple butter on the inside of each of them. Layer slices of cheese with a scoop of caramelized onion – enough to fill the sandwich, but not too much.
3. Grill according to your preferences, and enjoy warm.