How to marinate the ribs and make the ribs dish

How to marinate the ribs and make the ribs dish
COOK RIBBAR
MATERIAL
500g young rib
2 scallions, 2 cloves of garlic, 3 red onions, 1/2 horned chili
1/3 teaspoon salt (1/3 tsp)
1 teaspoon seasoning seeds (1 teaspoon
1/2 teaspoon sugar (1/2 tsp)
2 tbsp fish sauce (2 tbsp)
1.5 tablespoons cooking oil (1.5 tbsp)
1/2 tbsp purple onion (1/2 tbsp)
250g pineapple (1/2 pineapple)
1 tbsp sugar (1 tbsp)
1 cup water or 1 cup fresh coconut water (1 cup)
2/3 tbsp sugar colored water (2/3 tbsp)
1/4 tsp monosodium glutamate (1/4 tsp