Rosemary or wattercress spri Calories per serving: 50 Fat grams per serving: 3 Approx. Cook Time: Cholesterol per serving: 6 ABOUT 30 MINUTES BEFORE SERVING OR EARLY IN DAY: Chop crabmeat. In small bowl, with fork, mix crabmeat, cheese, mayonnaise, dry mustard, and 1/4 tsp. coarsely ground black pepper. Spread 1 heaping teaspoon crabmeat mixture on each Melba toast round. Place on cookie sheets; sprinkle with 1/2 teaspoon coarsely ground black pepper. If not serving right away, cover and refrigerate. ABOUT 15 MINUTES BEFORE SERVING: Preheat broiler if manuafcturer directs. Broil canapes about 3 minutes or until cheese melts. Top each canape with a slice of ripe olive. Arrange canapes and garnish on platter; serve immediately Makes 2 1/2 dozen canapes.