Press the “Sauté” function on the Instant Pot. Wait until the pot is hot, then add the olive oil and coat the pot evenly. Sauté the onions until they are soft and translucent.
Add the carrots, celery, and bell peppers to the pot. Sauté for 8 minutes, or until the veggies become soft. Stir occasionally to prevent burning.
Add garlic and corn and cook for 2 minutes.
Add chili seasoning, red kidney beans, red lentils, canned diced tomatoes, vegetable stock, bay leaf, and apple cider vinegar. Stir everything together until all the ingredients are combined well.
Press “Cancel”, then select “Manual” or “Pressure Cook” (depending on your Instant Pot model), on high for 20 minutes. After the Instant Pot beeps to let you know the cooking time has finished, release the pressure by turning the steam knob.
Stir and serve! You can garnish this with lime, cilantro, avocado, and jalapeno peppers with a side of sourdough or gluten-free bread. Yum!