Equipment
* optional
Ingredients
Root Vegetables
- 400 g carrots, peeled
- 400 g parsnips, peeled
Seasonings
- 30 ml olive oil
- 3 garlic, minced
- 5 g fresh thyme, leaves only, chopped
- 5 g kosher salt
- 2 g black pepper, freshly cracked
Garnish
- 10 g fresh parsley, finely chopped
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 189 kcal
- Protein
- 2 g
- Carbohydrates
- 29 g
- Fat
- 8 g
- Fiber
- 8 g
- Sugar
- 10 g
- Sodium
- 566 mg
- Saturated Fat
- 1 g
- Monounsaturated Fat
- 6 g
- Polyunsaturated Fat
- 1 g
- Potassium
- 732 mg
- Calcium
- 84 mg
- Iron
- 1.4 mg
- Magnesium
- 46 mg
- Phosphorus
- 113 mg
- Zinc
- 0.9 mg
- Vitamin A
- 849 mcg
- Vitamin C
- 29 mg
- Vitamin E
- 3.3 mg
- Vitamin K
- 82 mcg
- Vitamin B6
- 0.3 mg
- Thiamin
- 0.17 mg
- Riboflavin
- 0.12 mg
- Niacin
- 1.8 mg
- Folate
- 91 mcg
- Water
- 172 g
Sources: USDA FoodData Central
Method
Preheat the oven to 220°C (425°F). Line a large rimmed baking sheet with parchment paper.
Chop the peeled carrots and parsnips into uniform 5cm long pieces. If the upper halves are very thick, slice them in half or quarters lengthwise so all pieces are roughly the same thickness.
In a large mixing bowl, combine the chopped root vegetables, olive oil, minced garlic, chopped thyme, salt, and black pepper. Toss thoroughly until the vegetables are completely and evenly coated.
Spread the seasoned vegetables onto the prepared baking sheet in a single layer. Ensure there is slightly negative space between the pieces to prevent steaming.
Roast in the preheated oven at 220°C (425°F) for 20 minutes to initiate caramelization on the undersides.
Remove the baking sheet from the oven. Using a spatula, carefully flip and toss the vegetables to promote even browning on all sides.
Return the baking sheet to the oven and roast for an additional 15 minutes, or until the vegetables are deeply caramelized and tender when pierced with a fork.
Transfer the hot roasted vegetables to a serving bowl. Garnish by tossing with the freshly chopped parsley immediately before serving.
Chef's Notes
- Uniform knife work is crucial for this recipe. Tapered vegetables like carrots cook unevenly if left whole; slice the thicker top sections down the middle to match the thickness of the tips.
- If your parsnips are particularly large or mature, consider cutting out the woody central core before chopping, as it can remain tough and fibrous even after extended roasting.
- For the best Maillard reaction (caramelization), do not rush the flip. Allow the flat sides of the vegetables to make direct, sustained contact with the hot baking sheet.
- The high roasting temperature is intentional. Root vegetables contain complex starches that transform into sweet, simple sugars under intense heat, highlighting their natural earthiness.
Storage
Refrigerator: 4 days — Store in an airtight container.
Reheating: Reheat in a 200C/400F oven or air fryer for 5-8 minutes to restore crisp edges.
Troubleshooting
Vegetables are steaming and turning soft without browning.
Cause: The baking sheet was overcrowded, trapping moisture, or the oven was not fully preheated to the required high temperature.
Fix: Drain any excess liquid from the pan, increase the oven temperature to 230°C (450°F), and roast for an additional 5-10 minutes.
Prevention: Always roast vegetables in a single, even layer with space between the pieces. Use two baking sheets if necessary.
Garlic is burning and turning bitter.
Cause: The garlic pieces were minced too finely and burned in the high heat of the oven.
Fix: Cannot be easily fixed once burned. Pick out badly blackened pieces of garlic before serving.
Prevention: Use a slightly coarser mince for the garlic, or toss the minced garlic with the vegetables during the last 15 minutes of roasting instead of at the beginning.
Cultural Context
Roasted root vegetables are a quintessential staple of cold-weather cooking across Northern Europe and North America. The high-heat roasting technique is historically tied to the autumn harvest, utilizing the root cellar's bounty and transforming hearty, dense vegetables into rich, sweet, and deeply savory side dishes.
