Cast Iron Dutch Oven Chili

• 2  pounds  beef chuck roast cut into 1 inch cubes
• 1  teaspoon  salt
• 1  teaspoon  black pepper
• 2  tablespoons  vegetable oil
• 1 small white onion diced
• 1 large red bell pepper diced
• 3 ribs celery sliced
• 2 tablespoons tomato paste
• 1 tablespoon chili powder
• 2 teaspoons ground cumin
• 2 teaspoons paprika
• 1 teaspoon garlic powder
• 1 cup beef broth
• 30 ounces red kidney beans rinsed
• 15 ounces diced tomatoes
• 7 ounces diced green chiles
• 1/2  cup  finely crushed tortilla chips

For Serving

• 1 cup shredded cheddar cheese
• 1/4 cup chopped fresh cilantro
• 1/2 cup sour cream