| 2 tbsp extra-virgin olive oil | |
| 1 medium yellow onion, diced | |
| 1 tsp sea salt, plus more to taste | |
| Freshly ground black pepper | |
| 1 medium carrot, diced | |
| 1 small sweet potato, diced | |
| 1 (14.5 oz) can fire-roasted diced tomatoes | |
| 4 garlic cloves, chopped | |
| 2 tsp dried oregano (or 2 tbsp chopped fresh thyme or rosemary) | |
| 1/4 tsp red pepper flakes, plus more to taste | |
| 4 cups vegetable broth | |
| 2 bay leaves | |
| 1 cup halved cherry tomatoes | |
| 1 cup chopped green beans | |
| 1 zucchini, diced | |
| 1 (15 oz) can chickpeas, drained and rinsed | |
| 2 tbsp white wine vinegar | |
| 1 1/2 cups chopped kale |