To make croutons: toss cubed bread with melted butter and seasoning. Spread into one layer on a baking sheet and bake in 375 degrees F for no longer than 10 minutes.To make dressing: combine all ingredients in a small food processor or blender and process until smooth and creamy.To make salad: arrange lettuce in salad bowl. Top with Parmesan cheese, still warm croutons and drizzle with salad dressing.