Hot-Stuff Chili

Ingredients

• 2 tablespoons olive oil
• 1 large onion, cut into 1/2-inch dice
• 1 pound sweet Italian sausage, removed from casing
• 2 teaspoons chili powder
• 2 teaspoons ground cumin
• 1 teaspoon dried oregano
• 1/2 teaspoon crushed red-pepper flakes
• 2 pounds
• , cut into 1 1/2-inch cubes
• 2 cups drained canned Italian plum tomatoes, crushed
• 2 cups beef broth
• 6 tablespoons tomato paste
• 1 tablespoon chopped chipotle peppers in adobo sauce
• 1 tablespoon brown sugar
• 1 red bell pepper, diced (1/2 inch)
• Salt and pepper, to taste