Potato Ratatouille

Ingredients

• • 2 potatoes, peeled and cubed
  • 2 celery stalks, diced
  • 1 onion, chopped
  • 1/4 cup (60 ml) olive oil, plus more for serving
  • 1/2 cup (125 ml) chicken or vegetable broth
  • 3 tomatoes, cubed
  • 2 garlic cloves, chopped
  • 2 zucchini, cubed
  • 1 small eggplant, about 1/2 lb (225 g), cubed
  • 1 green bell pepper, seeded and cubed
  • 1/2 lb (225 g) green beans, cut into pieces