Full of fiber, vitamins and minerals, this Instant Pot Lentil Soup with Sausage and Kale is a nourishing alternative to a frozen bought dinner.
Hit "saute" button on Instant Pot. Add sausage and cook until meat crumbles and begins to brown, about 5 minutes. Add onion, celery and garlic and cook until softened, about 5 minutes.
Add stock, lentils, red pepper flakes, tomatoes and stir.
Place lid on Instant Pot and make sure the release valve is in the "sealing" position. Press "manual" button and set timer for 12 minutes.
The Instant Pot will warm up for about 10 minutes and then start cooking. After 12 minutes, quick-release by flipping the release valve to “venting."
Add kale and vinegar. Stir to combine and season with salt and pepper, to taste. Sprinkle with chopped parsley before serving.