- 12 broccolini stalks cut 4" lengths (or 12 broccoli florets)
- 4 large slices rye bread - (3" by 5")
- 3 tablespoons mustard-flavored mayonnaise (such as Dijonnaise)
- 4 thin red onion slices
- 1 cup shredded sharp cheddar cheese - (packed)
Preheat broiler. Steam broccolini until just tender, about 5 minutes. Transfer to paper towels and pat dry.
Broil bread on baking sheet until lightly toasted, about 1 minute per side.
Spread top side of each bread slice with mustard-flavored mayonnaise. Top each with onion slice, broccolini and cheese. Broil until cheese melts and browns, about 2 minutes.
This recipe yields 2 servings; can be doubled.