Salmon Fillet Sandwich - cooking recipe

Ingredients

8 -12 ounces salmon fillets, thin,wide pieces from tail of salmon fillet (or 2 each)
1 1/2 teaspoons olive oil, divided
salt & freshly ground black pepper
1 tablespoon dry mustard
1 1/2 tablespoons packed light brown sugar
1/4 teaspoon soy sauce
2 1/4 teaspoons water
2 slices sourdough bread, crusts removed,toasted
1/4 bunch arugula

Preparation

Brush salmon with 1 tsp olive oil and sprinkle with salt and pepper; grill or broil until browned and desired doneness, about 10 minutes.
Mix remaining 1/2 tsp olive oil, mustard, brown sugar, soy sauce, and water; plate each serving with bread, top with arugula and salmon, drizzle with mustard sauce and serve.