Sloppy Joes - cooking recipe

Ingredients

1/2 c. chopped onion
1 Tbsp. butter
2 lb. ground beef
7 oz. ketchup
1/2 c. water
1/2 c. chopped celery
1/8 c. lemon juice
1/2 Tbsp. Worcestershire sauce
1 Tbsp. brown sugar
1/2 Tbsp. salt
1 tsp. vinegar
1/4 tsp. dry mustard

Preparation

Saute onion in butter.
Add beef and brown lightly.
Drain off excess fat.
Add all ingredients and simmer covered for 30 minutes.