No-Bean Blueberry Chili - Blueberries

Ingredients

• 1 cup fresh or frozen blueberries
• 2 tablespoons olive oil
• 1-pound extra-lean ground beef
• 1/2 teaspoon salt
• 1/2 teaspoon black pepper
• 1 small onion, diced
• 1 red bell pepper, diced
• 3 cloves garlic, minced
• 2 tablespoons chili powder
• 1 can (28 ounces) diced tomatoes (with juice)
• 1/4 cup barbecue sauce
• 1 tablespoon Worcestershire sauce
• 1 cup shredded sharp cheddar cheese
• Baked tortilla chips or garlic bread, for serving (optional)