Combine the carrots, sweet potatoes, onion, garlic, kidney beans, frozen corn, diced tomatoes, cumin, chili powder, and salt and pepper in the slow cooker.
3 medium carrots, 2 medium sweet potatoes, 1 small onion, 4 cloves garlic, 4 cups kidney beans, 5 ounces frozen corn, 28 ounces diced tomatoes, 1 teaspoon Kosher salt, ½ teaspoon ground cumin, 1 teaspoon chipotle chili powder, ¼ teaspoon ground black pepper