Best Pesto Grilled Cheese features crisp golden bread layered with basil pesto and melted mozzarella for a warm, savory sandwich.
4 slices sourdough or Italian bread
4 tablespoons basil pesto
1 cup shredded mozzarella cheese
4 slices provolone cheese
2 tablespoons grated Parmesan cheese
2 tablespoons softened butter
Spread pesto evenly on one side of each bread slice.
Layer mozzarella, provolone, and Parmesan on one slice.
Top with second slice, pesto side inward.
Spread butter on the outside of both slices.
Heat skillet over medium-low heat.
Cook sandwich 3 to 4 minutes per side until golden and cheese melts.
Rest briefly, slice, and serve warm.
Use medium-low heat for even melting.
Do not overload with pesto.
Serve immediately for best texture.