Meatballs a la Pizzaiola

Name: Meatballs a la Pizzaiola
Ingredients: Vegetable oil cooking spray; 2 large shallots, peeled and chopped; 1/4 cup sun-dried tomatoes in oil, drained (5 or 6); 1/3 cup packed fresh basil leaves; 1/3 cup shredded mozzarella; 1/4 cup grated Parmesan; 1 tablespoon tomato paste; 2 teaspoons crushed red pepper flakes; 1 1/2 teaspoons kosher salt; 1 1/2 pounds 20-percent fat ground beef; 1 pound ground pork; 6 ounces smoked mozzarella, cut into 36 (1/2-inch) cubes; 1/3 cup olive oil; 3 cups marinara sauce, warmed