Alsatian Parsley Salad - cooking recipe

Ingredients

2 tablespoons red wine or 2 tablespoons cider vinegar
1 tablespoon Dijon mustard
1/4 cup olive oil
2 cups gruyere (about 8 oz) or 2 cups emmenthaler cheese, grated (about 8 oz)
1/2 cup fresh parsley, chopped
2 shallots, finely chopped
12 slices crusty bread
lettuce (optional)
tomatoes, slices (optional)

Preparation

Whisk together vinegar and mustard in medium bowl. Add oil and 2 T water, and whisk until combined.
Stir in cheese, parsley and shallots, and toss until combined.
Spoon 1/3 cup cheese mixture onto each of 6 slices of bread. Garnish with lettuce and tomato, if desired, and top with remaining bread slices.