In a wok or large pan/skillet, heat 2-3 teaspoons of a high smoke point oil of choice on high heat.Add garlic and cook until golden.Add onions and green and red bell peppers and mix. Cook for 2-3 minutes, stirring occasionally until brown on the edges.Add mushrooms and celery and cook for another 2 minutes.At this point, you can also add regular tofu or Soy-free tofu or steamed Tempeh for more protein, and cook for 2 minutes.Add in the broccoli, carrots, peas, salt, black pepper and sugar. Reduce heat to medium, cover and cook for 3-4 minutes.Add in cooked rice or noodles(or quinoa), soy sauce/liquid aminos and sesame oil.Toss well, taste and adjust salt, spice and seasoning. Add a splash of water if needed. Add in some Sriracha or other chili sauce for the heat.Cover and cook 2 minutes.Serve hot.