Add the onion, bell pepper, kidney beans, corn, garlic, jalapeño, cumin, smoked paprika, oregano, salt, black pepper and the enchilada sauce to the base of a 6-quart slow cooker. Stir well to mix everything together.
1 large red onion
1 medium bell pepper
1 can (14 oz / 400g) red kidney beans
½ cup frozen corn
4 garlic cloves
1 tablespoon jalapeño slices
1 teaspoon ground cumin
1 teaspoon smoked paprika
1 teaspoon dried oregano
½ teaspoon salt
¼ teaspoon ground black pepper
2 cups enchilada sauce