Banana Ketchup

Name: Banana Ketchup
Cuisine: American
Ingredients: 260gm red or white onion, peeled & finely sliced (approx. 3 medium sized onions); 25gm garlic, peeled & finely sliced (approx. 8 or 9 cloves); 80gm ginger, peeled & finely sliced (approx. 2 x 6cm knobs); 100gm jalapeño chilli, finely sliced (approx 4-5 chillies); 180gm vegetable or any neutral cooking oil (approx 3/4 cup); 200gm tomato paste (approx. 1 cup); 3/4 tsp turmeric powder; 1+1/2 tsp smoked paprika; 3/4 tsp allspice powder; 1/4 tsp cayenne pepper; 1kg very ripe bananas, peeled; 400gm coconut vinegar (approx 2 cups.... in the video I use banana peel vinegar); 675gm palm or brown sugar (approx. 3+1/3 cups); 200gm light soy sauce (approx. 3/4 cup); 75gm fish sauce (approx 1/4 cup); 5gm salt (or to taste)