Zucchini and Cream Cheese Sandwiches. Cut zucchini lengthwise in half. Cut each half into thin slices. Toss zucchini, cheese, onions, dressing and dill weed.Spread 1 teaspoon margarine on each slice bread. Top with salad greens. Spoon cheese mixture onto greens. Garnish each sandwich with 1 cooked shrimp and fresh dill weed if desired. 4 Open-Face Sandwiches; 380 Calories Per Sandwich.