How to prep peak-season tomatoes for cooking (and when to skip it)

It's August. Tomatoes are everywhere. Farmers market bins overflow. Your neighbor left a bag on your porch. Your backyard plant is out of control.

This is peak tomato season in the US — roughly mid-July through early September, depending on where you live. The fruit is ripe, sweet, juicy, and cheap. It's also soft, messy, and full of seeds and liquid that can turn a dish watery or bitter if you're not careful.

The question isn't whether to cook tomatoes. It's how to prep them so they actually taste good. Three techniques show up in every serious recipe: peeling, seeding, and salting. Each one does something specific. None of them is always necessary.

Here's when each matters, when to skip them, and how to do them without wasting half your afternoon.

When to peel tomatoes (and when to leave them alone)#

Tomato skins are thin, but they don't break down when cooked. They separate from the flesh, curl up, and get chewy. In a smooth sauce, soup, or stew, those little pieces are distracting and unpleasant.

Peel tomatoes when:

• Making smooth tomato sauce, marinara, or pasta sauce
• Cooking tomato soup or bisque
• Canning or preserving tomatoes whole
• Making dishes where texture matters (gazpacho, coulis, refined sauces)

Skip peeling when:

• Using tomatoes raw (salads, sandwiches, salsas, bruschetta)
• Making chunky sauces or stews where texture is part of the dish
• Roasting or grilling tomatoes (the char is the point)
• You're planning to run everything through a food mill afterward (the mill catches the skins)

The standard method is blanching: score an X on the bottom, drop tomatoes in boiling water for 30-60 seconds until skins split, then plunge into ice water. The skins slip right off. This works great for 4-6 tomatoes. For larger batches, roast them under a hot broiler until skins blister, then peel when cool. You'll lose a bit of moisture but gain a deeper, roasted flavor.

When to seed tomatoes (and when seeds are fine)#

Tomato seeds sit in a gel inside chambers called locules. The gel is flavorful but watery. The seeds themselves are fine — slightly bitter, but not enough to ruin most dishes. The real issue is moisture. If you're making a thick sauce or want concentrated tomato flavor, all that liquid works against you.

Seed tomatoes when:

• Making thick, reduced sauces where excess water means longer cooking
• Using tomatoes in dishes with delicate textures (tarts, layered vegetables)
• You want intense tomato flavor without dilution
• The recipe specifically calls for tomato concassé (peeled, seeded, diced)

Skip seeding when:

• Making fresh salsa, pico de gallo, or raw sauces (the liquid is part of it)
• You're going to cook the sauce down anyway (moisture evaporates)
• Using cherry or grape tomatoes (too small, not worth it)
• Making gazpacho or blended soups where texture doesn't matter

To seed a tomato: halve it crosswise (through the equator, not stem to bottom). Hold each half cut-side down over a bowl and squeeze gently. The seeds and gel slide out. Use a finger or small spoon to scoop out stubborn bits. Save the liquid for stock, Bloody Marys, or cooking grains.

When to salt tomatoes (and why it works)#

Salting tomatoes before you use them does two things: it draws out moisture through osmosis, and it concentrates flavor. The liquid that comes out is thin, watery tomato juice. What's left behind tastes more like tomato.

This technique is mostly for raw applications. You're not cooking off water — you're removing it before it makes your dish soggy.

Salt tomatoes when:

• Using them raw on burgers, sandwiches, or toast (prevents soggy bread)
• Making fresh tomato salads where pooling liquid dilutes the dressing
• Prepping tomatoes for layered dishes like lasagna or gratin
• You want concentrated tomato flavor without cooking

Skip salting when:

• Making cooked sauces or soups (you're evaporating moisture anyway)
• The recipe already calls for salting during cooking
• Using very ripe, dry heirloom varieties (they're not that watery)

To salt tomatoes: slice or dice them, spread on a plate or in a colander, and sprinkle with kosher salt (about 1/4 tsp per large tomato). Let sit 10-30 minutes. You'll see liquid pool. Pat dry with paper towels or drain in a colander before using. The tomatoes will taste more concentrated and slightly seasoned.

What about cooking them whole or leaving them alone#

Not every tomato needs prep. Peak-season tomatoes are good enough to slice, salt lightly, and eat. If you're roasting tomatoes for a chunky sauce, toss them whole on a sheet pan with olive oil, garlic, and salt. The skins will blister and char, adding flavor. You can pull them off later if you want, or leave them in for texture.

If you're blending everything into a smooth sauce or soup and you have a food mill, skip the peeling and seeding entirely. Cook the tomatoes down, then pass everything through the mill. The screen catches skins and seeds in one step. Less work, same result.

The real rule: prep only when it improves the dish. If you're making a rustic tomato sauce for pasta, a few skins won't hurt. If you're making tomato water for a refined dish, every detail matters. Match your effort to the outcome.

Common mistakes with peak-season tomatoes#

Refrigerating them too soon. Tomatoes lose flavor and texture in the fridge. Store them stem-side down on the counter until ripe, then refrigerate only if you can't use them within a day. Bring back to room temp before eating.

Using under-ripe tomatoes for raw dishes. If a tomato isn't sweet and juicy when you taste it raw, salting won't fix it. Save those for cooking, where heat and seasoning can help. Use the best, ripest tomatoes for salads and fresh sauces.

Over-prepping small tomatoes. Cherry and grape tomatoes don't need peeling or seeding. They're too small. Just halve or quarter them. If moisture is an issue, toss them in a hot pan to blister and reduce their liquid before adding to pasta or salads.

Forgetting to season. Tomatoes need salt. Even peak-season heirlooms. Salt brings out their flavor. Add it early, taste, and adjust. Bland tomatoes almost always just need more salt.

What to do with all those tomatoes#

Peak season is short. By mid-September, tomatoes start tasting bland again. If you have more than you can eat fresh, freeze them. Spread whole or halved tomatoes on a sheet pan, freeze solid, then transfer to bags. When you're ready to use them, run frozen tomatoes under warm water and the skins slip off. Toss them frozen into soups, sauces, or stews. They'll cook down just fine.

Or make a big batch of simple tomato sauce: sauté garlic and onion, add peeled tomatoes (or run them through a food mill after cooking), simmer until thick, season, and freeze in portions. You'll be glad you did in January.

For raw uses, salt and drain tomatoes, then layer them in olive oil with garlic and herbs. They'll keep in the fridge for a week. Use them on toast, in grain bowls, or stirred into pasta.

If you're feeling ambitious, make tomato confit: slow-roast halved tomatoes with olive oil, garlic, and thyme at 250°F for 2-3 hours until jammy and concentrated. Store in oil. They're good on everything.

Frequently asked questions#