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Drawing from a popular NYC eatery, this innovative method converts often-discarded external salad greens into a luxurious green emulsion. This is an ingenious way to minimize kitchen waste while creating a condiment tasty and versatile.

The Reason Use Outer Lettuce Leaves?

Those outer leaves serve as nature’s protective packaging, shielding the tender inner lettuce. Although composting produce trimmings is a fundamental zero-waste habit, finding new applications for these parts is even more impactful. Converting surplus ingredients into rich soil avoids landfill accumulation, where it may release methane, which is a powerful climate concern.

This is quite innovative when you think about it: produce decomposes and becomes that ideal soil to nourish further plants, thereby closing this loop and honoring nature’s process of growth.

However, given more than 30% surplus food being made than needed, consuming valuable resources wisely is crucial. Minimizing leftovers not only conserves cash but also promotes the more sustainable lifestyle.

This Green Emulsion Recipe

The versatile recipe works with any variety of salad greens and nuts. Through using a entire egg, you eliminate any hassle to repurpose an leftover white. The outcome is a smooth, nutty sauce that pairs perfectly with greens, grilled vegetables, grilled poultry, pasta, or grains.

Serves 2

For the Herb Emulsion (Yields approximately 200 grams)

• 100 grams unsalted butter
• 50g outer salad leaves from 2 romaine or butter lettuce, rinsed and dried
• 20g peeled roasted pistachios – light-colored nuts such as pine nuts help keep a vivid green, though whatever seeds can work
• One medium whole egg

To Make the Salad

• Two romaine or butter heads, halved lengthways
• Cold-pressed olive oil, to taste
• Lemon juice or apple cider vinegar, as desired
• 1 generous bunch soft herbs (like chervil), sprigs picked whole, stems finely minced

Instructions

Begin by making the mayonnaise. Melt the butter in one medium saucepan, add the outer lettuce leaves, place a lid and cook for about 60 seconds, stirring a couple times, till they’ve softened. Transfer the contents into the container of a immersion processor, include the pistachios and egg, then blend until creamy. If needed, add more seeds to achieve a thick consistency. Store in a sealed container in the refrigerator for as long as 3 days.

To prepare the dish, sprinkle each gem half with oil and acid, then salt liberally. Coat with a tight pattern of the green emulsion, then top with the greens. Place on 2 dishes and serve immediately.