Celery Root and Sweet Potato Gratin Recipe

Name: Celery Root and Sweet Potato Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 quart milk; 1 quart heavy cream; 3 garlic cloves, thinly sliced; Salt and freshly ground pepper; 2 large celery roots (about 2 1/2 pounds)peeled, halved and very thinly sliced on a mandoline; 4 medium sweet potatoes (about 21/2 pounds) peeled and very thinly sliced on a mandoline; 6 slices of thick-cut bacon, finely chopped; 1 medium white onion, coarsely shredded on a box grater; 2 large Granny Smith apples, coarsely shredded on a box grater; 1 tablespoon chopped thyme; 3 cups coarsely shredded Gruyere cheese (10 ounces); 3 tablespoons panko (Japanese bread crumbs)

Servings: persons

1 quart milk
1 quart heavy cream
3 garlic cloves, thinly sliced
Salt and freshly ground pepper
2 large celery roots (about 2 1/2 pounds)peeled, halved and very thinly sliced on a mandoline
4 medium sweet potatoes (about 21/2 pounds) peeled and very thinly sliced on a mandoline
6 slices of thick-cut bacon, finely chopped
1 medium white onion, coarsely shredded on a box grater
2 large Granny Smith apples, coarsely shredded on a box grater
1 tablespoon chopped thyme
3 cups coarsely shredded Gruyere cheese (10 ounces)
3 tablespoons panko (Japanese bread crumbs)

1
In a large pot, bring the milk and cream to a boil with the garlic.
2
Season with salt and pepper.
3
Add the celery root and sweet potatoes and cook, stirring occasionally, until slightly softened, about 2 minutes.
4
Remove from the heat and let cool for about 20 minutes.
5
Drain the sweet potato and celery root in a colander set over a large bowl and reserve the cooking liquid.
6
Meanwhile, in a medium skillet, cook the bacon over moderately high heat until crisp, about 4 minutes.
7
Drain and transfer the bacon to a medium bowl.
8
Squeeze out as much of the liquid as possible from the grated onion and apples, then add them to the bacon.
9
Add the thyme and stir to combine.
10
Preheat the oven to 350.
11
Butter a 2 1/2-to 3-quart shallow baking dish.
12
Arrange one-third of the celery root and sweet potatoes in an even layer.
13
Spread half of the onion-bacon-apple mixture on top and season lightly with salt and pepper.
14
Sprinkle with one-third of the cheese.
15
Repeat the layering once more then top with the remaining celery root and sweet potatoes and the remaining cheese.
16
Pour enough cooking liquid over the gratin to reach the top of the dish.
17
Sprinkle with the panko and a buttered sheet of foil.
18
Bake the gratin in the center of the oven for 45 minutes.
19
Remove the foil and bake for about 45 minutes longer, until bubbling and golden.
20
Let the gratin rest for at least 30 minutes before serving.

956

kcal

Calories

Fat

Carbs

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Coconut cream is a reliable plant-based alternative to dairy cream.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

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How did you like this recipe?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 12 ingredients. The key ingredients include: 1 quart milk, 1 quart heavy cream, 3 garlic cloves, thinly sliced, Salt and freshly ground pepper, and more.

Yes, Celery Root and Sweet Potato Gratin falls under the Meat & Poultry category and is a great choice for this type of meal.

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

That's it — enjoy your meal!

Celery Root and Sweet Potato Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions