Savory Skillet Sloppy Joes

Ingredients

• 1 tbsp Worcestershire sauce
• 1 whole yellow onion, diced
• 1 6 oz can tomato paste
• 2 cloves garlic, minced
• 1 tsp yellow mustard
• 4 hamburger buns
• 1 tsp smoked paprika
• 1/2 tsp black pepper
• 1 red bell pepper, diced
• 1/2 cup brown sugar
• 1 lbs ground beef