Prep: 10 mins
| Cook: 6 mins
| Extra time: 30 mins, marinating
1.
Combine grapefruit juice, mustard, honey, and red pepper flakes in a large plastic resealable bag. Add salmon, seal bag, and turn to coat; refrigerate for 30 minutes to marinate.
2.
Preheat broiler to high and coat a broiler pan with nonstick cooking spray.
3.
Remove the salmon from marinade and set on broiler pan. Broil 4 inches from the flame for 6 to 8 minutes, until salmon is opaque and flakes easily. Serve.
