Sinigang na salmon

Sinigang na Salmon (Salmon Soup)
Ingredients
3 pieces of salmon steak
6 tablespoons oil
5 cloves minced garlic
1 chopped onion
1 mamacita sinigang mix
1 teaspoon fish sauce, salt, pepper
2 fish bouillon cube (optional)
4 cups water
1 bunch of spinach (vegetables of your choice)