This vegetable stew can be eaten on its own or served with a few extras like sausage and chickpeas.
In a large pot, heat olive oil over medium-high. Brown chicken sausage, turning often, 8 to 10 minutes. Remove; cut into 1/2-inch rounds.
In same pot, bring Ratatouille, chickpeas, and chicken broth or water to a boil; reduce heat. Simmer until heated through, 5 minutes.
Return sausage to pot; stir in basil.