Add the diced zucchini and cook for about 5 minutes until softened.
Stir in the canned diced tomatoes, vegetable broth, kidney beans, and chili powder. Bring to a simmer and let cook for 10 minutes.
Add fresh spinach to the skillet and stir until wilted.
Combine the sauce with the cooked pasta, season with salt and pepper to taste, and serve.
Notes
Enhance the dish by serving with nutritional yeast or avocado slices. It pairs well with a side salad, cornbread, or roasted vegetables. Leftovers can be stored in an airtight container in the refrigerator for up to 3 days or frozen for 2-3 months.