Keto Sloppy Joes

Ingredients

• 1 lb ground beef
• 1/2 onion, diced
• 1/2 green bell pepper, diced
• 2 cloves garlic, minced
• 1/2 cup tomato sauce
• 1/4 cup ketchup
• 1 tbsp apple cider vinegar
• 1 tbsp Worcestershire sauce
• 1 tsp mustard powder
• 1 tsp chili powder
• 1/2 tsp paprika
• 1/4 tsp cayenne pepper
• Salt
• pepper
• 4 low-carb buns or lettuce leaves, for serving