Ingredients

2 English cucumbers (about 1 3/4 pounds) 

1/4 cup Dijon mustard 

1/2 cup mayonnaise 

2 teaspoons chopped fresh dill, plus 24 small sprigs, for garnish 

24 Crostini 

4 ounces thinly sliced gravlax or smoked salmon, cut into twenty-four 1 1/2-inch squares 

Preparation

Peel cucumbers, and cut lengthwise around seeds; discard seeds. Cut cucumbers into 1-inch squares.

Mix together mustard, mayonnaise, and chopped dill. Spread 1/2 teaspoon on each crostini. Arrange a piece of gravlax on top of each, then top with a piece of cucumber. Garnish with dill sprigs, and serve immediately.