Microwave the butter in a small bowl for 10 seconds to soften before mixing with the crushed garlic, parsley, and mayo.

Spread the mayo mixture evenly across the 4 slices of bread.

Heat a large cast iron skillet or griddle over medium-low heat with a teaspoon of olive oil. Once hot, place the bread mayo-side down and top each bread slice with two slices of cheese. (I like doing one American slice per piece of bread mixed with another cheese.)

Once the cheese starts to melt, add the reheated pulled pork on top of one half of each sandwich before folding the other slice over, enclosing the sandwich.

Continue cooking until each side of the grilled cheese is golden brown and the cheese is fully melted. (If your pan is too hot and the sandwich browns before the cheese melts, you can cover the pan.)