Try this homemade Rainbow Root Vegetable Gratin recipe the whole family will love. Made with parsnip, purple, red potatoes and gold potatoes. Easy step-…
This Rainbow Root Vegetable Gratin relies on simple, everyday ingredients such as large parsnip, large peruvian purple potato, medium red potatoes and medium yukon gold potatoes. It comes together quickly and makes 4 servings, at about 526 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026