Ingredients:
- 2 tablespoons olive oil
- 1 medium onion, sliced
- 1 large eggplant, cut into chunks
- 1 large orange bell pepper, cut into chunks
- 1 large tomato, sliced
- 2 cloves garlic, minced, or more to taste
- 1 tablespoon minced parsley, or to taste
- salt and ground black pepper to taste
