Ingredients:
1/4 c extra-virgin olive oil
1-lb sweet Italian sausage
2 bell peppers, sliced
2 yellow onions, sliced
1 tsp kosher salt
1 tsp freshly ground black pepper
1 tbsp Italian seasoning
1/4 cup chopped fresh basil leaves
4 garlic cloves, chopped
2 tbsp tomato paste
1 c Marsala wine (or chicken broth)
1 (15-oz) can of diced tomatoes
Salt to taste
1/4 tsp red pepper flakes, optional