Ingredients
Equipment
Method
Step-by-Step Instructions
- Preheat your oven to 400˚F (200˚C) and grease a 3-quart baking dish with unsalted butter.
- Thinly slice the sweet potatoes, parsnips, and beets into about 1/8 inch thick rounds. Set aside in separate bowls.
- In each bowl, mix the sliced vegetables with heavy cream, grated Parmesan, thyme, salt, and pepper.
- Layer the vegetables in the baking dish, alternating colors for an eye-catching effect.
- Pour the remaining cream mixture over the layered vegetables and sprinkle with minced garlic and more grated Parmesan.
- Cover the baking dish with aluminum foil and bake for 30 minutes.
- Remove the foil, sprinkle with shredded Gruyère, and bake for an additional 18-20 minutes until golden brown.
Nutrition
Notes
Ensure all vegetable slices are even for proper cooking. You can prepare the gratin a day in advance for convenience.
