Roast Beef And Horseradish Sandwich

½ c. red wine vinegar

½ small red onion, thinly sliced

6 tbsp. unsalted butter, at room temperature

3 tbsp. prepared horseradish, drained

2 tbsp. Dijon mustard

1 large baguette, halved lengthwise

12 oz. thinly sliced deli roast beef

2 c. upland cress or watercress

Combine vinegar and onion in a bowl. Let stand, stirring once or twice, 15 minutes; drain.
Combine butter, horseradish, and mustard in a bowl. Spread butter mixture onto bottom half of baguette.
Top with roast beef, cress, and pickled onions. Sandwich with remaining bread. Cut into 6 pieces.

Course🍽️Main Course

Diets🥩Carnivore...

Category🥪Sandwich

Cuisine🇺🇸American

Occasions🍽️Casual Dining📆Everyday

Season🔁Year-round

DifficultyVery Easy ⏰ 10m