Roasted Meatballs with Garlic Bread

Name: Roasted Meatballs with Garlic Bread
Ingredients: 1 cup breadcrumbs; Nutmeg, for grating; 1/2 to 2/3 cup whole milk, eyeball it; 1 pound ground beef, 80/20; 1/2 pound ground pork; Salt and pepper; A handful of flat-leaf parsley; 4 fat cloves garlic; 1 cup loosely packed grated Parm; 1 cup loosely packed Pecorino Romano cheese; 1 teaspoon fennel seed or pollen; 1 teaspoon crushed red pepper flakes or ground pepperoncini; 1 large egg; 4 tablespoons EVOO, plus some for drizzling; EVOO; 2 tablespoons butter; 2 cloves garlic; One 14-ounce can whole or crushed Italian tomatoes; One 24-ounce jar, 3 cups, tomato passata or puree; A few leaves basil, torn; Salt; A sprinkle of superfine sugar, to taste (see Cook's Note); 4 tablespoons butter; 4 cloves garlic; A loaf of semolina sesame Italian bread or ciabatta; About 1 cup grated Parm; A handful flat-leaf parsley