Equipment
Ingredients
Vegetables
- 600 g brussels sprouts, trimmed and halved
Seasoning & Acid
- 30 ml olive oil
- 4 g kosher salt
- 2 g black pepper, freshly cracked
- 1 lemon, zested and juiced
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 133 kcal
- Protein
- 5 g
- Carbohydrates
- 14 g
- Fat
- 8 g
- Fiber
- 6 g
- Sugar
- 3 g
- Sodium
- 426 mg
- Saturated Fat
- 1 g
- Monounsaturated Fat
- 6 g
- Polyunsaturated Fat
- 1 g
- Potassium
- 596 mg
- Calcium
- 67 mg
- Iron
- 2.2 mg
- Magnesium
- 36 mg
- Phosphorus
- 105 mg
- Zinc
- 0.6 mg
- Vitamin A
- 57 mcg
- Vitamin C
- 130 mg
- Vitamin E
- 2.4 mg
- Vitamin K
- 271 mcg
- Vitamin B6
- 0.3 mg
- Thiamin
- 0.21 mg
- Riboflavin
- 0.14 mg
- Niacin
- 1.1 mg
- Folate
- 92 mcg
- Water
- 133 g
Sources: USDA FoodData Central
Method
Preheat your oven to 220C/425F. Place an empty baking sheet in the oven while it heats. Starting with a hot pan ensures immediate searing when the sprouts hit the metal.
In a large mixing bowl, combine the trimmed and halved Brussels sprouts, olive oil, kosher salt, and black pepper. Toss vigorously until every sprout is thoroughly coated in oil.
Carefully remove the hot baking sheet from the oven. Arrange the seasoned sprouts in a single layer, ensuring that every flat cut side is facing down against the metal.
Roast for 20 to 25 minutes, undisturbed, until the flat sides are deeply browned and caramelized, and a knife pierces the center with little resistance.
Remove from the oven. Immediately grate the lemon zest over the hot sprouts, then squeeze the lemon juice evenly across the pan. Toss gently right on the baking sheet and serve immediately.
Chef's Notes
- Placing the sprouts cut-side down maximizes the surface area in contact with the hot metal, initiating the Maillard reaction for optimal flavor development.
- Preheating the baking sheet is a crucial technique; the audible sizzle when the vegetables hit the pan means you are instantly building a crisp crust.
- Do not skimp on the olive oil. Brussels sprouts are dense and dry naturally; adequate fat is necessary to conduct heat evenly and achieve crisp edges instead of leathery ones.
- Adding acid like lemon juice before or during the roasting process will turn the bright green sprouts a dull, olive-brown color. Always apply citrus right at the end.
Storage
Refrigerator: 4 days — Store in an airtight container. They will lose their crispness over time.
Reheating: Reheat in an oven or air fryer at 200C/400F for 3 to 5 minutes to restore crispy edges.
Troubleshooting
Sprouts are mushy and steamed rather than crispy and roasted.
Cause: The pan was overcrowded or the oven temperature was too low.
Fix: Place under the broiler for 2 to 3 minutes, watching closely, to quickly evaporate moisture and crisp the exterior.
Prevention: Use a sufficiently large baking sheet to leave breathing room between the sprouts, and ensure the oven is fully preheated to 220C.
Outer leaves are burnt to ash before the core is tender.
Cause: Sprouts were placed too high in the oven, or there was a high sugar content in added glazes.
Fix: Cannot be fixed once fully charred, but discarding the blackened outer leaves often reveals perfectly cooked centers.
Prevention: Roast on the middle or lower-middle rack, and keep the recipe strictly to oil and salt until after roasting.
Cultural Context
Historically, Brussels sprouts suffered a poor reputation in Western cooking due to mid-20th century practices of boiling them, which released bitter, sulfurous compounds. The modern culinary pivot toward high-heat roasting transforms the vegetable by unlocking natural sugars and complex, nutty flavors. Finishing with fresh acid, such as lemon juice, cuts through the vegetable's intrinsic earthiness to create a perfectly balanced dish.
