Place the olive oil in a large pot over medium-high heat. Place the chili de árbol in a small bowl with hot water and set aside.
Add onion, scallion, bell pepper and garlic and cook about 8 minutes or until onion is translucent and pepper is tender.
Add in chili powder and cook 1 minute, stirring constantly. Add lentils, tomatoes, carrots, corn, tomato paste, sugar, cumin and broth. Season with salt and pepper.
Bring to a boil, reduce heat to medium-low and simmer, partially covered, 30 minutes or until lentils are almost tender. Add cilantro and cook 10 minutes longer. Garnish with tortilla chips and fresh salsa.