1 lb. ground beef or turkey
1/2 lb. ground pork
4 tbsp. brown sugar
2 tbsp. white sugar
2 tbsp. white vinegar
2 tbsp. Worcestershire sauce
Hamburger buns
Shredded cheese (your choice)
1/4 tsp. salt
1/4 tsp. pepper
1 c. ketchup
3/4 c. water
2 c. sliced mushrooms (optional)
1 c. diced green pepper (optional)
1 1/2 c. diced onion (optional)
1 1/2 c. diced celery (optional)

Brown ground meats in a large skillet. Add remaining ingredients except buns and cheese. Simmer 20-30 minutes, until vegetables are done. Put on buns, sprinkle with cheese.