Italian Sandwich with Homemade Pesto

1. First, prepare the homemade pesto: Combine 2 cups basil leaves (stems removed), 2 tablespoons pine nuts, 1/2 cup freshly grated parmesan, 2 cloves garlic, salt to taste, and 1/2 cup of olive oil (add more if needed) in a food processor. Blend until smooth.
2. Toast sourdough bread in a skillet until golden.
3. Season sliced tomatoes with salt, pepper, and dried oregano.
4. Assemble the sandwich: Spread the homemade pesto generously on the toasted sourdough bread.
5. Layer with the seasoned tomatoes, arugula, mortadella, spicy dry coppa, prosciutto di parma, and burrata.
6. Finish with a drizzle of balsamic glaze.