This is an oldie, but a goodie:
Waikiki (Sweet & Sour) Meatballs
From Betty Crocker Recipe Card Library - 1971
1 1/2 lb ground beef
2/3 cup cracker crumbs
1/3 cup onion; minced
1 1/2 tsp salt
1/4 tsp ginger
1/4 cup milk; for meatballs
1 tbsp shortening
2 tbsp cornstarch
1/2 cup brown sugar; packed
1 (14 oz) can pineapple chunks in syrup, drained (reserve syrup)
1/3 cup vinegar
1 tbsp soy sauce
1/3 cup green pepper; chopped
Mix meat, crumbs, onion, egg, salt, ginger and milk. Shape into balls.
Melt shortening, brown and cook meatballs. Remove meat and keep warm, remove fat.
Mix cornstarch and sugar. Stir in reserved pineapple syrup, vinegar, and soy sauce until smooth.
Cook, stirring, until boiling. Boil and stir one minute.
Add meatballs pineapple and green pepper, heat through.
Serve over steamed white rice.