1 1/2 lbs hamburger
2/3 cup finely chopped onion
1/2 cup diced celery
1/4 cup diced green pepper
1/2 cup ketchup
1 tbs worcestershire sauce
1/2 teaspoon salt
1/8 tsp pepper

in a 2 qt casserole, crumble beef. add onion, celery, & green pepper. cover; microwave on HIGH 10-12 minutes, stirring every 3 minutes. drain meat well. add ketchup, worcestershire sauce, salt & pepper. cover; microwave on HIGH 7-8  minutes until hot.