Tostadas de Pescado (Fish Tostadas)

Ingredients

• Fish

  • 1 lb (450 g) haddock fillets
  • ¼ cup (60 ml) store-bought salsa verde

• Salad

  • 1 red onion, thinly sliced
  • 1 cup (250 ml) ice water
  • ¼ cup (60 ml) lime juice
  • ½ tsp salt
  • 4 cups (220 g) thinly sliced iceberg lettuce
  • 1 English cucumber, julienned
  • 1 cup (30 g) chopped cilantro
  • ½ Fresno pepper, seeded and thinly sliced
  • ¼ cup (60 ml) olive oil

• Tostadas

  • 8 tostadas (see note)
  • ½ cup (125 ml) sour cream