How to cook Paksiw na isda sa gata_ Filipino fish recipe cook with vinegar and coconut milk

Yummy Paksiw na isda sa gata😊
YOU Want FOR THIS RECIPE :
500G sariwang isda or contemporary fish,
1 cup gata NG niyog or coconut milk,
1/2 cup tubig or water,
4 butil NG bawang or 4 cloves garlic,
Luya or ginger,
1/4 teaspoon pamintang buo or entire, pepper
1 sibuyas or onion,
Salt and more ground pepper,
1 cup spinach or dahon NG ampalaya or petchay.