Baked Ziti

INGREDIENTS

• 4 tsp. plus 1 Tbs. olive oil
• 3/4 lb. sweet Italian sausage, casings removed
• 1 small eggplant, cut into 1/2-inch cubes
• 1 yellow onion, chopped
• 3 garlic cloves, minced
• 1/2 cup dry red wine
• 1 can (28 oz.) crushed plum tomatoes with juices
• 5 oz. ziti, cooked until al dente
• 1/4 cup chopped fresh basil
• 1/3 cup rinsed chopped Kalamata olives
• 2 1/2 cups shredded mozzarella cheese
• Kosher salt and freshly ground pepper, to taste
• 1/2 cup grated Parmigiano-Reggiano cheese