Step 3
Add onion, bell pepper, and garlic to the skillet; cook, stirring, over medium heat until softened, 5 minutes. Carefully add wine to skillet. Cook, scraping up any browned bits, for 1 minute. Add crushed tomatoes, fire-roasted tomatoes, Italian seasoning, sugar, salt, and red pepper. Return sausage to skillet. Bring to a boil. Reduce heat; simmer, covered, stirring occasionally, for 10 minutes. Uncover and cook until desired consistency, about 5 minutes.