Salt is often the difference between a good dish and great dish. To season with it right and well, it’s helpful to understand the different types of salts and the best ways to use them.
Where does salt come from?
True “sea salt” is harvested from shallow marshes, ponds or other low-lying areas. It comes from either sunshine and wind evaporating the water and leaving behind the salt or from raking salt off the surface of still water.
Other cooking salts come from solution mining. After water dissolves salt deposits, the brine solution is evaporated and purified. The salt left behind is then dried and refined, ending up as almost entirely sodium chloride.
The harvesting and processing determine the shape, size and taste of cooking salts. Here’s a guide to the most commonly used types:
Diamond Crystal Kosher Salt: My go-to salt for nearly everything. Diamond Crystal stands out among brands of kosher because its crystals are large enough to pick up easily for sprinkling, but still dissolve readily. Most importantly, it tastes less salty than other brands of kosher salt. This is the brand you should use for any measured amounts of kosher salt in recipes by me and my colleague Ben Mims — and it is the brand used by almost all professional cooks we know.
Morton’s Kosher Salt: This blue-box brand may be easier to find, but I don’t recommend it because the larger crystals taste much saltier and don’t dissolve as easily, sometimes making food taste salty in an unpleasant way. If you have it and want to get rid of it without wasting it, use it to salt boiling water for pasta. If it is what you can find at the store or prefer, use ¾ teaspoon for every teaspoon of kosher salt called for in our (and most) recipes.
Iodized Salt: I grew up shaking the white fine-sand salt that came from Morton’s blue cylinders. You probably did too. They sell a regular table-salt option and one with iodine, which is added to prevent deficiencies that can affect thyroid function and because it is an anti-caking agent (i.e. it won’t clump in the salt shaker.). Unless you need the extra iodine, you can skip this salt’s metallic taste. If you do use it, 1 teaspoon is the equivalent of 2 teaspoons Diamond Crystal kosher salt.
Fine Sea Salt: If you prefer the more mineral taste of sea salt, you can use fine sea salt for cooking and baking. It dissolves quickly and is good for last-minute sprinkling when you want to add saltiness but not texture.
Sea Salt Flakes: The delicate crunch and mild taste of pretty snowflake-like salt are ideal for sprinkling on dishes after cooking. Maldon is the most readily available brand and options from Jacobsen Salt Co. are easy to find as well.
How to Salt
1. Get to know your salt. Even if using my recommended option (Diamond Crystal kosher), know that salt can vary in its saltiness. Whatever you’re using, taste a tiny bit by itself first. If you happen to have multiple brands, taste them one after the other (with lots of water in between) to understand their differences.
2. Keep tasting. Every culture and cook salts food differently. Some go heavy from the start, some sprinkle throughout the process and some season only at the end. Many do a mix of all three, but whichever method you’re following, keep tasting your food as you cook. Start by nibbling ingredients that can be tasted raw and taste at every stage when it’s safe to try the food (avoid raw poultry and the like). Remember that you can always add more salt but you can’t take it away, so taste, sprinkle, taste, sprinkle.
3. Strive for balance. Salt doesn’t work alone to make food taste great. Its role is to enhance the natural flavors of whatever you’re cooking and to tie everything together. When you’re tasting for salt, ask whether you also want more umami, richness, acidity, heat or freshness. If you are going to add more umami (a dash of soy sauce), fat (like another pat of butter), acid (a squirt of lemon juice), heat (a pinch of chile) or freshness (a handful of herbs), do that first, then taste and season with salt. You can do this throughout the cooking process and be sure to do it just before serving. And a little dish of sea salt flakes to pass around the table never hurts either.