Evenly dice onion, carrots, and celery. Set aside.
Chop zucchini, broccoli florets, cauliflower, and sweet potato. Set aside.
Add olive oil to pot. Once heated, add a pinch of salt and the onions, carrots, and celery. Stir until vegetables are coated with olive oil. Add in garlic powder and stir.
Stir periodically until onions have caramelized. Once onions become translucent, add zucchini, broccoli florets, cauliflower, and sweet potato.
Add in vegetable broth, cover with lid, and allow to simmer for 30 minutes or until sweet potatoes are soft.
Serve in a bowl with some gluten free or whole grain bread and enjoy!