Shrimp Avocado Salad

Ingredients
1 sm. avocado, peeled & seeded
1/2 c. buttermilk
3 oz. cream cheese
1 tbsp. lemon juice
1 sm. garlic clove
1/4 tsp. hot pepper sauce
6 c. torn romaine lettuce
1 lb. shrimp
18 cherry tomatoes, halved
4 oz. Swiss cheese, cut in strips
Preparation:
Cube avocado. Place in blender with buttermilk, cream cheese, lemon juice, garlic and hot pepper sauce. Arrange lettuce in a bowl. Arrange shrimp, tomatoes and Swiss cheese on to of Romaine. Sprinkle lightly with salt and pepper. Toss with avocado dressing.