Jumbo Cheesy Italian Meatballs

Name: Jumbo Cheesy Italian Meatballs
Ingredients: Extra-virgin olive oil, for brushing; 3 1/2 cups torn stale Italian bread (about 1/4 loaf); 1 cup whole milk; 2 large eggs; 2 pounds ground beef chuck; 1 small bunch parsley, chopped(about 1 cup); 1/2 cup grated parmesan cheese; 1 clove garlic, grated; Kosher salt; 1/2 teaspoon red pepper flakes; 4 mini mozzarella balls (bocconcini); 2 tablespoons extra-virgin olive oil; 3 cloves garlic, thinly sliced; 1/4 to 1/2 teaspoon red pepper flakes; 1 28-ounce can crushed tomatoes; 3 to 4 sprigs basil, plus chopped leaves for topping; Ricotta cheese, for topping