Pilsner-marinated Grilled Salmon

Serves 4

4 Salmon steaks

1 tablespoon ground ginger

3 gloves garlic

2 tablespoons dry mustard

1 tablespoon sesame oil

2 tablespoons soy sauce

3/4 cup pilsner

1/2 teaspoon salt

1/4 teaspoon black peeper

2 tablespoons brown sugar

2 teaspoons white wine vinegar

2 scallions chopped