Step 1

Heat the oil in a large Dutch oven or soup pot over medium-high heat. Once hot, add the onion, celery, and carrots, along with a pinch or two of salt. Cook until the vegetables are softened and starting to just turn brown, 6-8 minutes.

Step 2

Add the garlic and red pepper flakes, and cook another 1-2 minutes until very fragrant.

Step 3

Pour in the vegetable broth and deglaze the pot, stirring up any browned bits on the bottom of the pot. Add the 1 teaspoon kosher salt, black pepper to taste, bouquet garni, potatoes, cannellini beans, and artichokes (if using). Stir well.

Step 4

Bring the soup to a boil. Then reduce heat, cover the pot, and simmer the soup for 15 minutes, or until the potatoes are tender.

Step 5

While the soup is simmering, make the Gremolata. Finely chop the parsley and basil. Using a microplane, grate the garlic directly over the parsley and basil. Then zest the lemons on top of this mixture, taking care to not zest the white pith underneath the skin. Mix the garlic and lemon zest into the herbs and chop the herbs until they’re finely minced. Sprinkle with a bit of the coarse or flaky sea salt.

Step 6

Transfer half of the soup to a blender and blend until thick and smooth. Then return this pureed soup back to the pot. Or, you can run an immersion blender throughout half of the soup, but be sure to not blend it all - you want to retain some texture.

Step 7

Add the kale to the soup and simmer for 3-5 minutes, or until the kale is tender but still bright green. Taste for seasonings, adding more salt as needed. When the soup is done, remove the bouquet garni.

Step 8

Serve the soup in bowls and sprinkle a generous amount of the Gremolata over each bowl and a drizzle of the extra virgin olive oil.

Step 9

Select the Sauté setting on the Instant Pot and let the pot heat up for a few minutes before adding the olive oil. Once the oil is hot, add the onion, carrots, and celery and a pinch or two of salt. Cook for 6-8 minutes, or until the vegetables are softened. Add a bit more oil as needed, since the Instant Pot inner pot is stainless steel.

Step 10

Add the garlic and red pepper flakes, and cook for 1 minute, stirring frequently to prevent burning.

Step 11

Pour in the vegetable broth to deglaze the pan, using a wooden spoon to scrape up any browned bits on the bottom of the pot. Add the 1 teaspoon kosher salt, black pepper to taste, bouquet garni, potatoes, cannellini beans, and artichokes (if using). Stir well.

Step 12

Select the Pressure Cook setting at high pressure for 7 minutes.

Step 13

Meanwhile, make the Gremolata (instructions are listed in the stovetop method above).

Step 14

Once the 7-minute timer goes off, allow a natural pressure release for 10 minutes and then switch the Pressure Release knob from Sealing to Venting to release any remaining steam.

Step 15

Use an immersion blender throughout half of the soup, but be sure to not blend it all - you want to retain some texture. Or, transfer half of the soup to a stand blender and blend until creamy.

Step 16

Once half of the soup is blended, stir in the kale. Select the Sauté setting and heat until the kale is wilted, about 3 minutes. Taste for seasonings, adding more salt as needed. When the soup is done, remove the bouquet garni.

Step 17

Serve the soup in bowls and sprinkle a generous amount of the Gremolata over each bowl and a drizzle of the extra virgin olive oil.