Cattivella is an Italian restaurant that gives Denver, United States a clear reason to appear on a dining shortlist. The draw is ingredient-led cooking, comfort and a clear sense of place; at a polished mid-to-high price point, it should be judged as a polished dinner worth planning ahead for. The best reason to book is warmth, produce and familiar pleasures handled with care: a clear use case is more valuable here than another vague promise of quality.