Ingredients

  • 4 large portobello mushroom caps, stemmed and dark gills removed
  • Cooking spray
  • 3/4 teaspoon black pepper, divided
  • 3/4 cup whole-wheat panko (Japanese breadcrumbs), divided
  • 1 tablespoon olive oil
  • 2 tablespoons chopped fresh chives
  • 1 1/2 teaspoons grated lemon rind
  • 1 teaspoon fresh lemon juice
  • 1/4 teaspoon kosher salt
  • 4 ounces goat cheese, crumbled (about 1 cup)
  • 2 ounces thinly sliced prosciutto, torn into 1-in. pieces

Method

  • Preheat oven to 500°F. Line a rimmed baking sheet with foil.
  • Coat mushrooms with cooking spray; place, top sides down, on prepared pan. Top with 1/2 teaspoon pepper. Bake at 500°F for 4 minutes.
  • Combine 6 tablespoons panko and oil in a small bowl. Combine remaining 6 tablespoons panko, chives, rind, juice, salt, and goat cheese in a bowl. Spoon 1/4 cup goat cheese mixture into each mushroom; top with panko mixture. Bake at 500°F for 3 minutes. Top with prosciutto and remaining 1/4 teaspoon pepper.