One-Pot Pasta with Sausage and Spinach - Fresh-Pressed Olive Oil

Ingredients

• 2 tablespoons extra virgin olive oil, plus extra for serving
• 2 sweet or hot Italian sausages (5 to 6 ounces each), casings removed
• One 24-ounce jar of passata (see above) or one 28-ounce can crushed tomatoes
• 1/2 teaspoon ground cumin
• 1/2 teaspoon hot red pepper flakes
• Kosher salt
• 1 pound cavatappi, fusilli, or other small, tubular pasta
• 5 packed cups baby spinach (about 5 ounces)
• 1/2 cup grated Parmesan