2 trout with heads on (8-10 oz.)
1/4 cup water
1/4 cup olive oil
1/2 tablespoon tarragon leaves
1/2 cup white vinegar
1 tablespoon Dijon mustard
1/2 tablespoon minced shallots
1/4 teaspoon salt
1/4 teaspoon black pepper

Combine tarragon leaves and vinegar in a saucepan and bring to a boil. Cool, and add the remaining ingredients.
Pour the marinade over the trout. Refrigerate for 3-4 hours.

Cook the trout on a charcoal grill for 3 to 4minutes brushing occasionally with marinade.