Filipino Sinigang na Isda - Great Easy Recipe

Ingredients

• 1 tbsp neutral oil (like canola or vegetable)
• 1 medium onion, quartered
• 2 medium tomatoes, quartered
• 1 thumb-sized piece of ginger, peeled and sliced
• 4 cups water or fish stock
• 1 packet tamarind soup base mix (like Knorr or Mama Sita)
• 700 g firm white fish (tilapia, bangus/milkfish, snapper), cleaned and cut into serving pieces
• 1 tbsp fish sauce, plus more to taste
• Salt & pepper, to taste
• 5 string beans (sitaw), cut into 2-inch pieces
• 1 small daikon radish (labanos), peeled and sliced
• 1 medium eggplant, sliced into half-moons
• 1 cup water spinach (kangkong) or bok choy
• 1 green chili (siling haba), whole (optional, for a mild kick)