This is a great recipe if you do not have a panini press and even better if you do.
8 slices of Italian, sourdough, or other firm textured bread
8 slices of mozzarella cheese
1/3 cup prepared pesto
4 large slices of tomato
2 tablespoons olive oil
Top each of 4 slices of bread with 1 slice of cheese. Spread pesto over cheese. Arrange tomatoes on top, then another slice of cheese. Close sandwiches
Brush olive oil over both sides of sandwich. Cook sandwiches over medium-low coals or in preheated ridged grill pan over medium heat 3 to 4 minutes per side or until bread is toasted and cheese is melted.