
INGREDIENTS1 cup precooked shredded potatoes, (see Note)1 shallot, finely chopped1 Tbsp prepared horseradish1 tsp Dijon mustard1/2 tsp garlic salt1/4 tsp freshly ground pepper1 1/4 pounds mahi-mahi, skin removed, cut into 4 portions4 tsp reduced-fat mayonnaise1...