Upcycling External Lettuce Greens into Rich Mayonnaise – An Sustainable Recipe

Modeled after a well-known NYC restaurant, this creative method turns usually thrown-out external lettuce greens into a smooth green “mayonnaise”. It’s a brilliant approach to cut down on kitchen waste while making a condiment delicious and versatile.

The Reason Repurpose Outer Salad Leaves?

These outer leaves are the plant’s natural packaging, guarding the delicate inside leaves. While composting produce scraps is a fundamental zero-waste practice, finding new uses for these parts is even more impactful. Converting excess ingredients into rich soil prevents dump buildup, where it can release greenhouse gases, a potent climate concern.

It’s quite innovative if you think about it: produce decomposes and becomes that ideal growing medium to nourish more crops, thereby completing the loop and respecting the cycle of growth.

However, given over 30% extra food getting produced than required, consuming valuable ingredients efficiently becomes essential. Reducing waste not only conserves money but also promotes a more sustainable lifestyle.

This Herb-Infused “Mayonnaise” Recipe

The versatile formula works with any variety of salad greens and seeds. Through incorporating a whole egg, one eliminate the need to repurpose an extra egg white. The result is a smooth, nutty sauce that works perfectly with greens, grilled vegetables, grilled chicken, noodles, or grains.

Serves two

To Make the Green Emulsion (Yields approximately 200 grams)

• 100 grams unsalted butter
• 50g outer salad greens from two romaine or butter lettuce, washed and dried
• 20 grams shelled salted pistachios – white seeds such as blanched almonds assist keep the vivid green, though any seeds will do
• 1 small entire egg

For the Salad

• Two little gem heads, halved lengthways
• Extra-virgin oil, to taste
• Lemon juice or white-wine vinegar, to taste
• One small handful soft herbs (such as dill), leaves left whole, stems finely chopped

Steps

First making the emulsion. Melt the butter in a medium saucepan, toss in the outer lettuce leaves, place a lid and cook for about 60 seconds, mixing a couple times, till they have wilted. Pour the mixture into a container of an immersion processor, add the nuts and egg, then process till creamy. As necessary, incorporate extra seeds to get a mayonnaise-like consistency. Keep in a sealed container in the fridge for as long as 3 days.

For prepare the salad, sprinkle each lettuce half with olive oil and lemon juice, then season liberally. Coat with a zigzag pattern of the green mayonnaise, then scatter with the herbs. Arrange on two dishes and serve immediately.