Fish Tacos With Citrus + Jalapeño Salsa

Ingredients

• 3 tablespoons diced shallot
• 3 tablespoons diced and seeded jalapeño
• zest of 1/2 lime (save zest from other half of lime for the fish)
• 3 tablespoons fresh lime juice (about the juice of 1 juicy lime)
• 1/4 cup cilantro, roughly chopped, plus more for serving
• 1 grapefruit, peel and pith removed, fruit cut into small pieces
• kosher salt
• 1 lb cod or snapper, skinless, pin bones removed
• 3 teaspoons extra virgin olive oil
• zest of 1/2 lime
• 1 1/2 teaspoons chili powder
• 8 corn tortillas, warmed
• additional lime wedges
• additional fresh cilantro
• ripe avocado