Step 1: Saute all the veggies in order of hardness, until all are tender. Add the black beans and heat until warmed through. Season if you want with garlic and other spices.
Meal 1: Add the stir fry and all extras into a flour or corn tortilla, eat as a burrito.
Meal 2: Put the hot stir-fry over some freshly cooked cous cous. You can top with hummus, salsa or a dressing if too dry.
Meal 3: Cover a large plate with torn romaine, add cooked cous cous, and veggies and extras on top, eat as a salad.
These meals were all eaten on different days, because the stir fry makes a ton and keeps well in the fridge. This is easy, cheap and very versatile. Add whatever veggies you like and have on hand. These 3 meal types will work well with any kind of stir fry, so go crazy!