Preheat oven to 350°. Combine bread cubes and cushed garlic in a large zip-top plastic bag. Seal bag; shake to coat bread cubes. Turn bread cube mixture out onto a baking sheet; arrange bread cubes in a single layer. Bake at 350° for 15 minutes or until toasted.
Combine bread cubes, lettuce, and cheese in a large bowl; set aside. Combine water and remaining ingredients in an electric blender; process until smooth. Poor over lettuce mixtuer; toss well.