Turkey Di Parma Melt

Name: Turkey Di Parma Melt
Ingredients: 1 pound fresh parsley; 1/2 pound fresh basil; 4 ounces walnuts, toasted; 1/2 teaspoon black pepper; 4 cloves garlic, smashed; 1 egg; Zest and juice of 1 lemon; 8 ounces olive oil; 1/2 cup shredded Parmigiano-Reggiano; Salt and pepper; 4 ounces butter; 8 slices rosemary garlic sourdough bread; 8 ounces buttermilk Cheddar or sharp white Cheddar, preferably Sweetwater Valley Farm; 1 pound roasted turkey; 1/2 cup marinated sun-dried tomatoes packed in olive oil; 4 ounces Parmigiano-Reggiano, shredded