In the Instant Pot, press saute. Add 1 tbsp olive oil to the pot.
1 tbsp olive oil
Add the onion to the pot. Sauté for 2 minutes.
1 large Spanish onion
Add the garlic, sauté for another minute.
4 garlic cloves
Add the celery, bell pepper, and potato. Sauté for 3-4 minutes. The vegetables should be softened and slightly carmelized.
4 celery ribs, 1 colored bell pepper, 1 large russet potato
Add the diced tomatoes, chicken stock, and water.
14.5 oz diced tomatoes, 6 cups chicken stock, 4 cups water
Add the grilled chicken, if including.
1 cup grilled chicken
Add the dried beans. Stir with a large spoon (wooden if you have one).
2 cups dried Northern beans
Add the seasoning, salt, and pepper. Stir.
1 1/2 tsp Italian seasoning, 1 tsp Herbes de Provence, 1 1/2 tsp Mediterranean sea salt, 1 tbsp ground black pepper
Press cancel to turn off the saute function. Close the lid to the Instant Pot. Turn the valve to "sealed."
Press soup and set timer for 30 minutes. Make the pasta while that cooks.
When the soup is finished the Instant Pot will beep. Vent manually by moving the valve to "venting" or allow to vent naturally. The lid will open when it is finished venting.