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Crispy Roasted Celery Root with Brown Butter and Thyme

crispy roasted celery root - featured image

Golden-brown, crispy roasted celery root is tossed with nutty brown butter and fresh thyme for a comforting, easy side dish. Creamy inside and crispy outside, it’s a unique alternative to potatoes and perfect for any occasion.

Ingredients

Scale
  • 2 pounds celery root (celeriac), peeled and cut into 1/2-inch cubes or sticks
  • 6 tablespoons unsalted butter
  • 2 teaspoons fresh thyme leaves (or 1 teaspoon dried thyme)
  • 3 tablespoons olive oil
  • 1 teaspoon kosher salt (or to taste)
  • 1/2 teaspoon freshly cracked black pepper
  • Optional: 1/4 cup grated Parmesan cheese
  • Optional: 1/2 teaspoon lemon zest
  • Optional: 1/2 teaspoon garlic powder

Instructions

  1. Peel the celery root using a vegetable peeler or sharp paring knife. Cut into 1/2-inch cubes or sticks. Rinse briefly and pat dry.
  2. Preheat oven to 425°F (220°C). Line a large rimmed baking sheet with parchment paper.
  3. In a large bowl, toss celery root cubes with olive oil, kosher salt, black pepper, and half the thyme. Add garlic powder or lemon zest if using.
  4. Spread the cubes in a single layer on the baking sheet. Roast for 20 minutes, then flip the pieces. Continue roasting for another 15-20 minutes, until golden and crispy at the edges.
  5. While celery root roasts, melt butter in a small saucepan over medium heat. Stir often until it bubbles, foams, and brown bits form at the bottom (about 3-5 minutes). Remove from heat when it smells nutty and is golden brown.
  6. Transfer roasted celery root to a serving platter. Drizzle with brown butter, including browned bits. Sprinkle with remaining thyme and Parmesan cheese if desired.
  7. Serve immediately for best crispiness.

Notes

For extra crispiness, don’t overcrowd the pan and pat celery root dry before roasting. Brown butter can burn quickly—remove from heat as soon as it smells nutty and you see brown flecks. You can swap thyme for rosemary or sage, and use vegan butter for dairy-free. Optional add-ins like Parmesan, lemon zest, or garlic powder add extra flavor. Prep celery root a day ahead and store in water in the fridge; dry well before roasting.

Nutrition

Keywords: celery root, celeriac, roasted vegetables, brown butter, thyme, easy side dish, gluten-free, vegetarian, comfort food, crispy, oven roasted