2 pounds lean ground beef
3 tablespoons Worcestershire sauce
1/4 cup ketchup
2 eggs
1/2 cup onions chopped into small pieces 
1 each ~ yellow, red, and green bell peppers
salt & pepper to taste
Wash and cut out seeds of the peppers; cut peppers lengthwise into 4 sections, set aside. Take one section of each color pepper and cut into small pieces.
Pre heat grill to medium heat. Mix together with your hand all of the above ingredients including the chopped peppers; shape into 6 to 8 patties.
Grill patties and the remaining bell pepper pieces for 8 to 10 minutes or until cooked through, turning over after 4 to 5 minutes. Serve on hamburger buns. Serves 6 to 8.