Ingredients

1/4 cup coarse-grain mustard

3/4 teaspoon dry mustard

2 1/4 teaspoons packed dark brown sugar

3/4 teaspoon coarsely ground black pepper

1/2 teaspoon finely grated fresh lemon zest

1 (1-lb) trimmed beef tenderloin roast, tied

1 tablespoon vegetable oil

For salad

• 1 small red onion (1/4 lb), thinly sliced
• 1/2 lb wax or green beans, cut diagonally into 2-inch pieces
• 4 oz baby arugula (4 cups)

For dressing

• 1 1/2 tablespoons balsamic vinegar
• 1 tablespoon fresh lemon juice
• 1/4 teaspoon Dijon mustard
• 1/4 cup olive oil

Description

Transporting This Dish Is Easy: Stack The Fillet Slices Together And Wrap Them In Plastic Wrap; Pack The Arugula, Onions, Beans, And Dressing In...

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