Slammin' Sloppy Joes

Ingredients (15)

• 1 tbsp olive oil
• 1 cup yellow onion
• ½ cup green bell pepper
• 1½ lbs ground beef
• ¼ cup beef stock
• 1 cup tomato sauce
• ½ cup chili sauce
• 1 tbsp Worcestershire sauce
• 1 tbsp Dijon mustard
• 1 tbsp apple cider vinegar
• 1 tbsp brown sugar
• 1½ Kosher salt
• ½ tsp fresh ground black pepper
• 1 cup cheddar cheese
• 6 sesame-seed sandwich buns