Cheesy Sun-Dried Tomato Pasta with Sausage and Spinach

Ingredients (12)

• 8 ounces whole wheat penne pasta
• 1 tablespoon extra-virgin olive oil
• 8 ounces precooked chicken sausage links
• 1 can reduced-sodium white beans, rinsed and drained (I used Great Northern; cannellini or white kidney would work as well)
• 1/4 cup sun-dried tomatoes in olive oil
• 2 cloves garlic
• 1/4 teaspoon kosher salt
• 1/4 teaspoon black pepper
• 1/4 teaspoon red pepper flakes
• 5 cups mixed tender greens 
• 1/2 cup freshly grated Parmesan cheese
• Chopped fresh herbs