This is Technique #7 from our 100 Techniques Every Home Cook Can Master.
Each technique is broken into three sections: why it works, key steps, and recipes that use it. Learn these recipe building blocks and you'll be set up for a lifetime of cooking success.
Vegetables naturally contain a lot of water, which is one of many reasons why they’re so good for us.
But all that water can make it challenging to use them successfully in one of their most common applications: salads.
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If those veggies release a lot of their liquid after you’ve tossed them with the dressing, you’ll end up with a diluted, soggy, unappetizing dish that’s more soup than salad. A great illustration of this issue is vegetable slaw. Who among us hasn’t suffered through bland, watery, soggy slaw and longed for a better way?
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The Effect of Salting
With meat, we want to preserve as much of the interior moisture as possible, but when it comes to vegetables, more often we are trying to get the water out. But despite the fact that we have opposite goals for vegetables and meat, the same ingredient achieves both ends: salt.
When salt is applied to vegetables, it dissolves on the surface. In order to equalize the salt concentration levels, the water deep within the cells migrates outward in a process called osmosis—the same process that’s at work with brining and salting meat.
With meat, we wait until the water is reabsorbed back into the cells, carrying the salt along with it, before cooking. But with vegetables, we want to quickly remove most of that excess moisture.
To see the effects of salting, notice the differences in this piece of cucumber before (left) and after (right) it has been salted.
Salting vs. Macerating
This exodus of water from the cells also causes the cells to weaken, which translates into the vegetables becoming softer (a bonus when it comes time to eat tougher or harder vegetables like cabbage or beets). The overall process is similar to tossing chopped fruit with sugar and letting it sit before using it in a pie or crisp (a process known as macerating). Using sugar works with vegetables, too, though more slowly. Incorporating a bit of sugar can be a way to draw out water without making the veggies too salty.
Watch Becky Hays explain how salting leads to crisper vegetables in this vintage video.
Step by Step: How to Salt Vegetables
Here are the key steps to remove excess water from your vegetables so you never have to eat another soggy salad or slaw.
Step 1: Toss with Salt
Toss vegetables with salt in colander set over bowl.
Step 2: Let Stand
Let sit until vegetables wilt and exude excess liquid into bowl (from 30 minutes for soft vegetables like tomatoes to 1 hour or longer for crunchy vegetables like cabbage).
Step 3A: If Rinsing, Rinse and Pat Dry
If recipe directs, rinse vegetables under cold running water to remove excess salt and liquid. Pat dry with paper towels.
Step 3B: If Spinning, Do Not Rinse
Or, if recipe directs, spin vegetables in salad spinner to remove excess moisture, without rinsing.
Recipes That Use This Technique
Test your newfound salting knowledge with any of these recipes.
Creamy Buttermilk Coleslaw
Buttermilk gives coleslaw a great tang, but it makes a thin sauce. How can you keep the tang but still create a consistently creamy sauce?
Get the RecipeButtermilk Coleslaw with Green Onions and Cilantro
Buttermilk coleslaw can be wilted and watery. Here's how to get a pickle-crisp texture and a light but creamy dressing.
Get the RecipeCreamy Buttermilk Coleslaw with Lemon and Herbs
Buttermilk coleslaw can be wilted and watery. Here's how to get a pickle-crisp texture and a light but creamy dressing.
Get the RecipeBeet, Endive, and Pear Slaw
Root vegetables can add a lively twist to coleslaw. You just need to treat them right.
Get the RecipeGreek Cherry Tomato Salad
How do you transform juicy cherry tomatoes into a great salad? For starters, get rid of some juice.
Get the RecipeCherry Tomato Salad with Basil and Fresh Mozzarella
How do you transform juicy cherry tomatoes into a great salad? For starters, get rid of some juice.
Get the RecipeReady to learn another technique? Choose from our list of 100 Techniques Every Home Cook Can Master.