Ingredients:
- 1 large grapefruit
- 2 large bunches arugula, stems removed (10 cups)
- 1 ripe avocado, pitted and sliced
- 2 tablespoons fresh lemon juice
- 2 tablespoons olive oil
- 1/2 teaspoon kosher salt, divided
- 1/2 teaspoon freshly ground black pepper, divided
- Cooking spray
- 3 (5-ounce) wild salmon fillets (skin on)
- 1/4 cup toasted walnuts, roughly chopped
