Trim, rinse, drain cauliflower. Grease bowl. Arrange in bowl stems up. Pack down and microwave on medium or regular for 3 minutes. Refrigerate for 3 or more hours. Invert on platter on bed of lettuce leaves. Mix mayonnaise, mustard, garlic powder, and white pepper. Drop or dollop around cauliflower on lettuce.
Cajun Country -- New Iberia, Louisiana