Whole-Wheat Spaghetti with Sausage and Peppers

INGREDIENTS

1 tbsp

olive oil

1 lb

mild or hot Italian sausage

onion, chopped

red bell peppers, cut into 1-inch pieces

1 3/4 tsp

salt

3 cloves

garlic, minced

1 cup

canned crushed tomatoes in thick puree

1 cup

canned low-sodium chicken broth or homemade stock

2 tbsp

dry vermouth or dry white wine

3 tbsp

chopped flat-leaf parsley

3/4 lb

whole-wheat spaghetti

2 tbsp

grated Parmesan cheese, plus more for serving