This is the recipe my mother used for sloppy joes and it always gets compliments!

Ingredients 

40 m    -    6 servings  -    189  cals 

• 1 pound lean ground beef 
• 1/4 cup chopped onion 
• 1/4 cup chopped green bell pepper 
• 1/2 teaspoon garlic powder 
• 1 teaspoon prepared yellow mustard 

• 3/4 cup ketchup 
• 3 teaspoons brown sugar 
• salt to taste 
• ground black pepper to taste 

Directions     

Prep : 10  m  - Cook :30  m  - Ready In : 40  m 

1. In a medium skillet over medium heat, brown the ground beef, onion, and green pepper; drain off liquids.                              
2. Stir in the garlic powder, mustard, ketchup, and brown sugar; mix thoroughly. Reduce heat, and simmer for 30 minutes. Season with salt and pepper.                                

Source : allrecipes.com