Coconut Shrimp with Tamarind Ginger Sauce

Name: Coconut Shrimp with Tamarind Ginger Sauce
Ingredients: 1 teaspoon tamarind concentrate*; 1 1/2 tablespoons fresh lime juice; 2/3 cup mayonnaise; 1 1/2 tablespoons mild honey; 2 teaspoons Dijon mustard; 1 teaspoon finely grated peeled fresh ginger; 1/4 teaspoon salt; 4 cups sweetened flaked coconut (10 ounces); 1 cup all-purpose flour; 3/4 cup beer (not dark); 3/4 teaspoon baking soda; 1/2 teaspoon salt; 1 teaspoon cayenne; 1 large egg; 6 cups vegetable oil; 48 medium shrimp (1 1/2 pound), peeled, leaving tail and first segment of shell intact, and, if desired, deveined; a deep-fat thermometer