Step 1

Spread the pesto on each piece of bread. On 4 of the pieces, layer the mozzarella, then the tomatoes and then the roasted pepper pieces. Season with salt and pepper. Top with the other 4 pieces of bread, pesto-side down.

Step 2

Generously butter the outsides of the sandwiches. Grill in a panini press according to the manufacturer’sinstructions until the cheese is melted and the bread is browned and crispy. Remove from the press and let stand for 30 seconds or so before slicing.