Roast Beef and Caramelized Onion Sliders
1/3 cup Horseradish Mayonnaise (see recipe below)
8 (3-inch) slider buns, sliced in half horizontally and toasted
Kosher salt
Freshly ground black pepper
8 ounces thinly sliced roast beef
1 cup caramelized onions
10 cornichons, thinly sliced lengthwise
2 cups watercress (about 2 ounces), washed and dried
Directions:
Divide the horseradish mayonnaise among the tops and bottoms of the buns (about 2 teaspoons per bun). Season generously with salt and pepper. Divide the roast beef among the 8 bottom buns. Top each slider with caramelized onions, cornichons, and watercress and close with a top bun.
Horseradish Mayonaise
Ingredients:
6 tablespoons freshly grated horseradish
1 large egg, at room temperature
1 teaspoon Dijon mustard
1 cup vegetable oil
1 tablespoon white wine vinegar
3/4 teaspoon kosher salt
Directions:
Combine horseradish, egg, and mustard in the bowl of a food processor fitted with a blade attachment and process until mixture is evenly combined, about 30 seconds.
With the processor running, slowly add oil in a thin stream until completely combined. Add vinegar and salt, and pulse until evenly combined. Season to taste with freshly ground black pepper.
Combine horseradish, egg, and mustard in the bowl of a food processor fitted with a blade attachment and process until mixture is evenly combined, about 30 seconds.
With the processor running, slowly add oil in a thin stream until completely combined. Add vinegar and salt, and pulse until evenly combined. Season to taste with freshly ground black pepper.
Recipe shared from: http://www.chow.com/recipes/29670-roast-beef-and-caramelized-onion-sliders