Stir in the jalapeños, garlic, cumin, paprika, chili powder, oregano, garlic powder, onion powder, salt and pepper. Cook for 1-2 minutes until fragrant.
Add the beans, lentils, pumpkin puree, tomatoes and vegetable broth. Stir so all the ingredients are well mixed together.
Bring the chili to a boil. Reduce heat and simmer for 20-25 minutes.
Divide the chili into bowls.
Options for toppings include cilantro, jalapeños, tortilla chips, sour cream/yogurt, shredded cheese, scallions and avocado.