Place all ingredients in a 6-quart slow cooker. Cook on the low heat setting for 8 hours or high heat for 4 hours.
When the chili is finished, check the consistency. Add additional broth or water if needed, to reach a consistency that you like. Taste the chili and adjust lime juice, salt, and crushed red pepper to taste. Serve with accompaniments of choice.
Stovetop cooking instructions
To prepare the chili over the stove, heat a tablespoon of avocado oil in a large, heavy-bottomed pot over medium heat. Add the onions and peppers. Sauté for five minutes, stirring often, or until the onions are translucent and all vegetables are tender.
Add the garlic to the pot. Sauté the ingredients for another minute, stirring constantly, until the garlic is fragrant.
Add all remaining ingredients to the pot. Bring the mixture to a boil. Cover, turn the heat to low, and simmer for 35-40 minutes, or until all of the lentils are tender. Taste the chili and adjust lime juice, salt, and crushed red pepper to taste. Serve with accompaniments of choice.
Notes
Chili leftovers will keep for up to 5 days in an airtight container in the fridge. They can be frozen for up to 1 month.