Equipment
Ingredients
Asparagus
- 500 g asparagus, woody ends trimmed
Italian Herb Sauce (Salsa Verde)
- 20 g flat-leaf parsley, leaves and tender stems only
- 10 g fresh basil, leaves only
- 15 g capers, rinsed and drained
- 1 garlic, peeled
- 15 ml lemon juice, freshly squeezed
- 60 ml extra virgin olive oil
- 5 g dijon mustard
- 2 g fine sea salt
- 1 g black pepper, freshly ground
Nutrition (per serving)
Nutrition is estimated per serving. Nutrients without complete source data are omitted.
Full nutrition
- Calories
- 165 kcal
- Protein
- 3 g
- Carbohydrates
- 6 g
- Fat
- 15 g
- Fiber
- 3 g
- Sugar
- 3 g
- Sodium
- 302 mg
- Saturated Fat
- 2 g
- Monounsaturated Fat
- 11 g
- Polyunsaturated Fat
- 2 g
- Potassium
- 302 mg
- Calcium
- 47 mg
- Iron
- 3.3 mg
- Magnesium
- 24 mg
- Phosphorus
- 73 mg
- Zinc
- 0.8 mg
- Vitamin A
- 76 mcg
- Vitamin C
- 16 mg
- Vitamin E
- 3.7 mg
- Vitamin K
- 155 mcg
- Vitamin B6
- 0.1 mg
- Thiamin
- 0.19 mg
- Riboflavin
- 0.19 mg
- Niacin
- 1.4 mg
- Folate
- 76 mcg
- Water
- 131 g
Sources: USDA FoodData Central
Method
Combine the flat-leaf parsley, fresh basil, capers, garlic, lemon juice, extra virgin olive oil, Dijon mustard, fine sea salt, and black pepper in a food processor. Pulse until finely chopped and emulsified but still retaining a slightly rustic texture. Transfer to a small bowl and set aside.
Fill a pot with 3 centimeters of water. Place a steamer basket inside, ensuring the water level sits just below the bottom of the basket. Bring the water to a rolling boil (100 C / 212 F) over high heat.
Place the trimmed asparagus evenly in the steamer basket. Cover the pot tightly with a lid and steam the asparagus over the boiling water until crisp-tender. This should take 3 to 5 minutes depending on the thickness of the spears.
Carefully remove the hot asparagus from the steamer basket using tongs. Transfer them to a serving platter, arranging the spears in a single, neat layer.
Spoon the vibrant herb sauce generously over the middle section of the steamed asparagus, leaving the delicate tips and bases exposed for an elegant presentation. Serve immediately while the asparagus is still warm.
Chef's Notes
- To quickly trim asparagus, gently bend one spear near the base until it snaps naturally. The stalk will break exactly where the tough, woody part ends. You can use this spear as a guide to cut the rest of the bunch evenly.
- For the best flavor in your sauce, use a high-quality, cold-pressed extra virgin olive oil. Because this sauce is not cooked, the oil forms the backbone of the flavor profile.
- If you are preparing this for a dinner party, you can make the herb sauce up to a day in advance. Keep it tightly covered in the refrigerator to allow the garlic and herb flavors to meld beautifully.
- If you prefer a perfectly chilled dish for a warm spring day, you can blanch the asparagus instead of steaming, then immediately shock them in an ice water bath to lock in the crunch.
Storage
Refrigerator: 3 days — Store the herb sauce and asparagus in separate airtight containers to maintain the vibrant color of both components.
Reheating: Reheat asparagus gently in a steamer or microwave until just warm. Serve the herb sauce cold or at room temperature.
Troubleshooting
Asparagus is mushy and has turned a dull olive green color
Cause: The asparagus was oversteamed
Fix: Cannot be fixed. To salvage, immediately plunge the spears into an ice water bath to halt cooking, then chop and serve as a cold salad addition where texture is less noticeable.
Prevention: Set a timer and check for doneness at the 2-minute or 3-minute mark, especially if using thin spears
Herb sauce tastes too acidic or sharp
Cause: Imbalance of lemon juice to olive oil, or a particularly pungent clove of garlic was used
Fix: Whisk in an additional 10ml to 15ml of extra virgin olive oil to mellow out the flavors, or add a tiny pinch of sugar to balance the acidity.
Prevention: Measure the lemon juice and extra virgin olive oil precisely, and taste the sauce before adjusting the seasoning
Cultural Context
This side dish draws heavy inspiration from classic Italian Salsa Verde, a raw, rustic herb sauce historically used to cut through the richness of meats and enhance roasted or boiled vegetables. In Italian culinary traditions, particularly during the spring, fresh produce like asparagus is celebrated with minimal intervention to allow its natural sweetness and crisp texture to shine as the centerpiece of the table.
