Cut the bread open and lay it flat on a cutting board.
Spread a generous smear of basil pesto on both sides.Add a small handful of arugula and 2 - 3 slices of mozzarella on the bottom slice.Season the mozzarella with a pinch of salt, a twist of blackpepper, and a few drops of extra virgin olive oil.
Add 2 to 3 tomato slices, 2 to 3 sun-dried tomatoes, and 4 basil leaves. Optionally, drizzle with a teaspoon of balsamic glaze.Top with the bread and enjoy.Tip: You can pop the caprese sandwich in an air fryer at 400°F or 200°C for 3 minutes. A sandwich or panini press can also work.