Spicy Zucchini and Pesto Cheese Stuffed Shells

Bahan-bahan (8 porsi)

• 3/4 pound ground spicy Italian chicken sausage
• 3 zucchini, chopped ((about 1 1/2 cups chopped))
• 1/3 cup tomato paste
• 1/3 cup vodka
• 1 cup milk
• 2 tablespoons fresh thyme leaves
• 1 tablespoon fresh oregano, chopped
• kosher salt and pepper
• 1 pound jumbo shells
• 2 cups whole milk ricotta cheese
• 2 cups shredded provolone cheese
• 3/4 cup basil pesto
• 4 ounces mozzarella, torn
• fresh basil for, serving