Broiled Spice-Rubbed Snapper for Two

Ingredients

• 1 (12-ounce) skinless snapper fillet , 3⁄4 to 1 inch thick
• 3/4 teaspoon kosher salt , divided
• 1 1/2 teaspoons ancho chile powder
• 1/2 teaspoon ground coriander
• 1/2 teaspoon granulated garlic
• 1/4 teaspoon dried oregano
• 1/4 teaspoon pepper
• 1/8-1/4 teaspoon cayenne pepper
• 1 tablespoon boiling water
• 1 tablespoon extra-virgin olive oil
• 1 1/2 teaspoons lime juice , plus lime wedges for serving