Meatballs a la Pizzaiola

Name: Meatballs a la Pizzaiola
Ingredients: 8 ounces smoked mozzarella cheese; 2 large shallots, chopped; 1/4 cup (5 to 6) sun-dried tomatoes in oil, drained; 1/3 cup packed fresh basil leaves; 1/3 cup shredded mozzarella cheese; 1/4 cup grated parmesan cheese; 1 tablespoon tomato paste; 3/4 teaspoon red pepper flakes; Kosher salt and freshly ground pepper; 1 1/2 pounds ground beef chuck (80% lean); 1 pound ground pork; Olive oil, for frying; Vegetable oil, for frying; Marinara sauce, warmed, for serving (optional)