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Inspired by an acclaimed NYC eatery, this innovative method turns usually thrown-out outer salad greens into an smooth herbaceous “mayonnaise”. This is a smart way to reduce kitchen waste while making something flavorful and versatile.

The Reason Repurpose External Lettuce Leaves?

These outer leaves are nature’s natural packaging, guarding the delicate inside lettuce. Although recycling vegetable trimmings is a fundamental zero-waste habit, finding creative uses for them is even more impactful. Turning surplus food into fertile compost avoids dump buildup, where it can release greenhouse gases, a powerful environmental issue.

This is rather radical when you think over it: produce decomposes and becomes the ideal soil to feed further crops, thus closing this cycle and respecting the cycle of growth.

Yet, given more than thirty percent surplus produce being produced compared to needed, consuming valuable ingredients efficiently is essential. Minimizing waste not only saves cash but also promotes the more sustainable lifestyle.

The Herb-Infused “Mayonnaise” Recipe

The adaptable formula functions with whatever type of lettuce and nuts. By using one whole egg, one avoid any hassle to use up an extra white. This outcome is a creamy, nutty sauce that works beautifully with salads, roasted vegetables, seared poultry, noodles, or grains.

Serves two

For the Green Emulsion (Yields about 200g)

• 100 grams butter
• 50 grams outer lettuce leaves of 2 romaine or butter lettuce, rinsed and thoroughly dried
• 20 grams shelled roasted pistachios – white seeds like pine nuts help maintain a bright color, but any seeds can do
• 1 medium entire egg

To Make the Salad

• Two romaine or butter heads, split lengthways
• Extra-virgin oil, to taste
• Lemon juice or white-wine vinegar, to taste
• 1 generous handful soft herbs (like chives), leaves picked intact, stems finely chopped

Steps

First preparing the emulsion. Heat the butter in one medium saucepan, add the external lettuce leaves, cover and cook for approximately a minute, mixing a couple times, till they have softened. Transfer this mixture into a container of an stick blender, add the pistachios and whole egg, then blend till smooth. As necessary, add extra seeds to get the mayonnaise-like consistency. Store in a airtight container in the fridge for up to three days.

For assemble the salad, drizzle each lettuce portion with olive oil and lemon juice, then salt liberally. Coat with a tight drizzle of the herb emulsion, then top with the herbs. Arrange on 2 dishes and enjoy immediately.