Vacuum sealing cherry tomatoes is a smart way to extend their shelf life and lock in flavor, whether you’re preserving a garden surplus or prepping for quick meals. This technique works because removing air slows down the growth of spoilage organisms and prevents moisture loss, keeping the tomatoes firm and juicy for up to two weeks in the fridge. It’s a simple process that requires minimal equipment and yields excellent results for snacking, cooking, or freezing.
Ingredients
- 2 lb (900 g) fresh cherry tomatoes, washed and thoroughly dried
- Vacuum sealer with vacuum bags or rolls (cut to size)
- Optional: 1 tbsp (15 ml) olive oil (for freezing)
Instructions
- Sort through the tomatoes and discard any that are bruised, cracked, or showing signs of mold. Only use firm, ripe tomatoes for sealing.
- Wash the tomatoes under cool running water and pat them completely dry with a clean kitchen towel or paper towels. Any moisture on the surface can interfere with the seal and promote spoilage.
- If you plan to freeze the tomatoes, arrange them in a single layer on a baking sheet lined with parchment paper and freeze for 1–2 hours until solid. This prevents them from being crushed during vacuum sealing.
- Place the tomatoes in a vacuum sealer bag, leaving at least 3 inches (7.5 cm) of space at the open end. Do not overfill; the bag should lie flat in the sealer.
- If freezing, you can add a drizzle of olive oil (about 1 tsp per cup of tomatoes) to help preserve texture and flavor.
- Seal the bag using your vacuum sealer according to the manufacturer’s instructions. For soft items like tomatoes, use the “gentle” or “moist” setting if available to avoid crushing them.
- Once sealed, label the bag with the date and contents. Refrigerate or freeze immediately.
Tips
- Dry thoroughly: Excess moisture is the enemy of vacuum sealing. Even a little water can cause the bag to seal improperly or lead to soggy tomatoes.
- Freeze before sealing: If you’re freezing tomatoes, always pre-freeze them on a tray. This keeps them from turning into a mushy mess when the air is removed.
- Use the right bag: Only use bags designed for vacuum sealers; regular plastic bags won’t work and can damage the machine.
- Don’t overfill: Leave enough room at the top of the bag to get a tight seal. Overfilling can cause the sealer to malfunction or the bag to burst.
Serving Suggestions
Vacuum-sealed cherry tomatoes are perfect for tossing into salads, roasting with herbs, or adding to pasta dishes. They also make a great healthy snack straight from the bag. If you’ve frozen them, use them directly in cooked recipes like sauces, soups, or stews—no need to thaw first.
Variations
- Herb-infused: Add a sprig of fresh basil, thyme, or rosemary to the bag before sealing for extra flavor.
- Marinated: Toss the tomatoes with a little balsamic vinegar, garlic, and olive oil before sealing for a quick appetizer.
- Blanched and peeled: For a smoother texture in sauces, blanch the tomatoes in boiling water for 30 seconds, then transfer to ice water and slip off the skins before sealing.
Storage and Reheating
Refrigerated vacuum-sealed cherry tomatoes stay fresh for up to 2 weeks. Frozen tomatoes can be stored for up to 8 months and should be thawed in the refrigerator overnight if you want to use them whole. To reheat, add them directly to hot dishes; they don’t need reheating on their own. Once opened, treat them like fresh tomatoes and consume within a few days.
Frequently Asked Questions
Do I need to blanch tomatoes before vacuum sealing? No, blanching is optional. For fresh storage, it’s not necessary. For freezing, blanching can help preserve color and texture, but it’s not required for cherry tomatoes due to their small size.
Why do my tomatoes get crushed when I vacuum seal them? This happens when the vacuum pressure is too high for soft items. Use the “gentle” or “moist” setting on your sealer, or pre-freeze the tomatoes to make them firm enough to withstand the pressure.
Can I vacuum seal tomatoes without a special bag? No, you need bags designed for vacuum sealers. Regular zip-top bags won’t work because they can’t have the air removed effectively and may not seal properly.
How long do vacuum-sealed tomatoes last in the fridge? Typically 1–2 weeks, compared to 3–5 days for unsealed tomatoes. The exact time depends on the initial freshness of the tomatoes and how well they were dried.
Can I vacuum seal tomatoes that are overripe? It’s best to avoid overripe or mushy tomatoes, as they may turn to liquid during vacuuming. Use only firm, ripe tomatoes for best results.
Is it safe to vacuum seal tomatoes at room temperature? No, vacuum sealing does not replace refrigeration. Always store vacuum-sealed tomatoes in the fridge or freezer to prevent bacterial growth.
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