The best pot of Mexican style pinto beans ever. Find out how to cook pinto beans in the crockpot slow cooker, Instant Pot pressure cooker, or stovetop.
Heat the oil in a large pot over medium heat or an Instant Pot/electric pressure cooker on saute (medium). Add the onion and saute until softened and browned, about 5 minutes.
Add the broth (4 cups for the pressure cooker or slow cooker, 6 cups for stovetop) and dry beans to the Instant Pot, or soaked beans to the slow cooker, or stovetop pot. Stir to combine.