Yes, vegetable oil can be substituted with olive oil in most recipes. Olive oil, especially extra virgin, provides a healthier alternative with its high content of monounsaturated fats and antioxidants. It enhances the flavor of your dishes while promoting heart health. Use olive oil for sautéing, frying, and baking, as it withstands heat well and adds a unique richness to meals. The swap is especially beneficial for those looking to make healthier cooking choices without compromising taste.