Preparation Sauté bacon in large pot over medium heat until crisp, about 10 minutes. Add onions and squash. Sauté until squash is almost tender, about 12 minutes. Add spinach and corn. Toss until spinach wilts and corn is heated through, about 5 minutes. Stir in basil. Season with salt and pepper. Transfer to bowl and serve.
Preparation Sauté bacon in large pot over medium heat until crisp, about 10 minutes. Add onions and squash. Sauté until squash is almost tender, about 12 minutes. Add spinach and corn. Toss until spinach wilts and corn is heated through, about 5 minutes. Stir in basil. Season with salt and pepper. Transfer to bowl and serve.