Short version: make the dressing first, toast the walnuts, and cut the apple last straight into the bowl.
Jump to Recipe ↓The Waldorf is a four-ingredient salad from a New York hotel in the 1890s, and the original had no walnuts in it at all. They were added a couple of decades later and became so associated with the dish that leaving them out now looks like an omission.
The whole recipe is a sequencing problem. Apple starts browning within minutes of being cut, so it has to go into the dressing immediately, which means the dressing has to exist before the apple is touched. That single reordering is the difference between a white, crisp salad and a beige one.
The second thing is the walnuts. Raw walnuts are soft and slightly bitter. Eight minutes in a moderate oven makes them crisp, sweet, and aromatic, and it is the least effort for the most improvement of anything in this batch.
What Your Board Looks Like
The order here is dictated by oxidation. Celery and grapes first, apple last, and the apple goes straight from board to dressing rather than waiting in a pile. The dressing should be sitting there finished before the apple is even picked up.
About a cup: apple cores and stems, celery bases, leaf tops and peeled strings, grape stems, walnut shell fragments if you are shelling your own. Apple cores are dense and roll, and celery trimmings are light and scatter, which is an awkward combination to sweep off a board in one motion.
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Waldorf Salad
Fifteen minutes of work, no cooking beyond toasting nuts, best within a few hours. Makes about 5 cups.
Ingredients
For the dressing
- 1/2 cupmayonnaise
- 1/4 cupGreek yogurt or sour cream
- 2 tbsplemon juiceabout half a lemon
- 1 tsphoney
- 1/2 tspfine saltplus more to taste
- black pepperto taste
For the salad
- 2 largecrisp apples1/2 inch dice, cut last
- 3 mediumcelery stalksdestringed, 1/2 inch dice
- 1 cupred grapeshalved
- 1 cupwalnutstoasted and roughly broken
- 2 tbspchives or parsleyfinely chopped, optional
- butter lettuce leavesto serve, optional
Method
- Toast the walnuts firstEight minutes in a 350F oven, shaken once, then tipped onto a cold plate to stop them cooking. Do this before anything else so they have time to cool. Warm walnuts folded into a mayonnaise dressing will make it split.
- Make the dressing secondWhisk the mayonnaise, yogurt, lemon juice, honey, salt, and pepper together in the bowl you will serve from. This has to be ready before the apple is cut, because the apple goes straight into it.
- Cut the celery and grapesDestring and dice the celery to half an inch, halve the grapes. Add them to the dressing as you go, there is no oxidation issue with either.
- Cut the apple last, straight into the bowlQuarter, core, and dice each apple and drop the pieces into the dressing immediately, stirring after each apple rather than at the end. The lemon in the dressing stops the browning, but only once the apple is actually in contact with it.
- Fold in the walnuts and chillAdd the cooled walnuts and the herbs last and fold gently. Thirty minutes in the fridge. Adding the nuts at the very end keeps them crisp for as long as possible.
Make It Ahead
The Waldorf is a same-day salad. The apple and the walnuts both degrade, in opposite directions, so it does not hold well.
Getting It Right
Make the dressing before you cut the apple
The entire structure of this recipe follows from this. Cut apple starts browning within a couple of minutes of hitting air, and the lemon juice in the dressing prevents it, but only on contact. A bowl of diced apple waiting on the board while you make a dressing is already going brown.
Toast the walnuts
Eight minutes at 350F transforms them from soft and slightly bitter to crisp, sweet, and aromatic. It is the single best effort to reward ratio in this batch. Let them cool completely before they go into the dressing or they will make it split.
Use a crisp, tart apple
Honeycrisp, Braeburn, Pink Lady, or Granny Smith. They hold their shape in a dressing and their acidity balances the mayonnaise. Red Delicious and other soft mealy apples go floury and are the most common reason a Waldorf disappoints.
Leave the skin on
Red apple skin is most of the visual interest in an otherwise pale salad, and it helps each cube hold together in the dressing. There is no reason to peel.
Add the walnuts at the very end
Nuts in a wet dressing soften progressively. Folded in immediately before serving they are still crisp. Added at the start and left for an hour, they are not, and crunch is a large part of what this salad is for.
Upgrade Your Prep Workflow: The ROO Bundle
Waldorf salad is a race against oxidation, which means the cutting has to be continuous and efficient. Dicing two apples quickly, into a bowl, without stopping to reposition a drifting board is exactly the situation where a stable surface earns itself. Apples are also round, hard, and prone to rolling, and coring them involves a firm downward cut. The ROO Mat keeps the board locked while you work at speed, and the pouch takes the cores and celery trimmings immediately, which matters more than usual here because there is no time to stop and tidy midway.
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A locked board for cutting apples at speed, and a pouch for cores and celery strings.
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Frequently Asked Questions
What are the four main ingredients of a Waldorf salad?
Apple, celery, grapes, and walnuts, bound in a mayonnaise dressing. The original 1890s version at the Waldorf Hotel in New York had only apple, celery, and mayonnaise. Walnuts were added around 1920 and grapes later still, and both are now considered essential.
What are the ingredients in a Waldorf salad?
Crisp apples, celery, red grapes, toasted walnuts, and a dressing of mayonnaise lightened with yogurt or cream and sharpened with lemon juice. It is traditionally served on a bed of butter lettuce, which is presentation rather than an ingredient.
What dressing is best for Waldorf salad?
Mayonnaise thinned with Greek yogurt or sour cream and sharpened with lemon juice. Straight mayonnaise is too heavy for a salad that is mostly fruit, and the lemon does double duty by keeping the apple from browning. A little honey balances a tart apple.
What is Martha Stewart's Waldorf salad recipe?
Her version follows the classic structure of apple, celery, grapes, and walnuts with a lemon-spiked mayonnaise dressing, served on lettuce. Published versions of the Waldorf differ mainly in the ratio of mayonnaise to yogurt or cream and whether grapes are included at all.
How do you keep the apples from browning in Waldorf salad?
Cut the apple last and put it straight into the lemon-containing dressing, stirring as you go rather than dicing all of it first. The acid prevents browning on contact, so it is the delay between cutting and dressing that causes the problem, not the cutting itself.
Toast the walnuts, make the dressing, then cut the apple straight into it and add the nuts last. A four ingredient salad from the 1890s that is still worth making, provided you do the four things in the right order.