3 lbs pork ribs
1 cup pineapple juice
1/2 cup soy sauce
1/2 cup brown sugar
3 cloves garlic, minced
1 small onion, finely chopped
1/4 cup ketchup
1/4 cup rice vinegar
1 tsp ground ginger
1/2 tsp black pepper
1 tbsp cornstarch
2 tbsp water