Ever think about using your Instant Pot to transform fresh tomatoes into soup? Think about it! I gave it a shot for the first time this Summer, and the results blew me away: rich, velvety, and intensely flavorful.
Ever wonder why so many recipes tell you to remove the seeds and skins from tomatoes? I avoid that step whenever I can, and not just because it’s annoying…
Tomato seeds – like the seeds of all plants – are rich in protein and micronutrients, as well as fiber. And the skin is especially rich in lycopene; tomatoes synthesize this famous bright red carotenoid pigment for antioxidant protection during photosynthesis, and it’s health-promoting in our diet because it confers protection from oxidative damage in our bodies as well. Because it’s designed to protect from the damaging effects of ultraviolet light, it’s unsurprising that it has a higher rate of accumulation in the fruit’s skin.
Together, the skins and seeds may provide as much as half of the tomato’s antioxidant capacity. So if I’m starting from scratch, you better believe I’m taking the whole-foodie approach! I’m not sure if the good results are dependent on the long roast and high-pressure finish, or if the sweet roasted onions balance any excess bitterness, or if it’s a matter of personal taste – but I have zero complaints about the flavor or texture of the several batches I’ve trialed made with 0% tomato waste. (never forget: every piece of food we have is a miracle.
We begin with halved WHOLE fresh tomatoes, big wedges of onion for savory sweetness, an entire head of garlic, and any available fresh herbs (my garden offered a couple prunings of stemmy/bolting dill).
They get a long roasting session in the oven to concentrate juices and build flavor. (The dill may look wrecked, but its aroma heavily perfumed the tomatoes, and the rest of my kitchen too. Off the charts!!)
After popping the roasted garlic cloves from their skins, the whole tray is pureed with broth and finished in the pressure cooker. Creamy finish optional – either with fresh heavy cream, cultured cream, or blended cashew cream for a rich plant-based option.
For the final step, grill yourself a cheese – or like I did this time, whip up a few open-faced cheesy toasts on seedy sourdough. And remember that Summer tomatoes don’t last forever, so maybe stick a few servings in your freezer to defrost on a cold day. Your Winter Self will thank you.
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[Instant Pot] Roasted Tomato Soup
- 3 lbs fresh tomatoes halved
- 2 medium onions peeled and sliced into 6 wedges each
- 1 head of garlic
- 3 tablespoons olive oil
- salt & pepper to taste
- optional: a handful of fresh dill, thyme, rosemary, or other fresh herb of your choice (very tender/leafy herbs like basil, parsley, and cilantro do not take as well to high-heat roasting)
- 4 cups vegetable or chicken broth
- optional: for a creamy soup, cashew cream (cashews soaked overnight, drained and blended) or heavy cream to taste
- Preheat oven to 400 F. Line a large sheet pan with aluminum foil and arrange (cut side uthe halved tomatoes, onion wedges, and the whole unpeeled garlic head in a single layer. If desired, scatter a few sprigs of fresh herbs on top. Drizzle everything with olive oil, and season generously with salt and pepper. Roast for 1 hour, until the tomatoes are soft and juicy, and the onions begin to brown around the edges.
- When the garlic is cool enough to handle, separate the cloves and squeeze each roasted center out of its skin. If the tomatoes were roasted with fresh herbs that have woody stems, discard the stems after stripping the tender leaves over the tomatoes. Transfer the peeled garlic, tomatoes and onions into the pressure cooker and blend with an immersion blender until smooth (or alternately, transfer to a standard blender to puree before transferring to the cooker). Stir in the broth, then taste and adjust seasoning if desired.
- Cover the pressure cooker with the lid, ensuring that the valve is in sealed position. Cook under high pressure for 5 minutes (with Instant Pot, press ‘Manual’ mode, and adjust time to 5 minutes).
- When the cooking time is complete, allow the pot to de-pressurize naturally for at least 10 minutes before opening the lid. Serve hot, finishing each bowl with your favorite fresh herbs, and dairy or cashew cream, if desired.