One-Pot Penne with Seared Sausage and Bell Peppers

Ingredients

• 1 medium green bell pepper, sliced into thin strips
• Grated Parmesan cheese for garnish
• 1 tablespoon olive oil
• 1 jar (24 ounces) marinara sauce
• ½ cup red wine (Merlot)
• ½ teaspoon Italian seasoning
• 1 teaspoon sugar
• 12 ounces whole-wheat penne pasta
• 1 medium yellow onion, thinly sliced
• 1 medium red bell pepper, sliced into thin strips
• 1 pound spicy Italian sausage links
• Salt and pepper, to taste