Wash the lettuce and remove any damaged or wilted outer leaves. Remove the lettuce core and discard. Cut the head into quarters and set it aside.
In a medium bowl, whisk together the mayonnaise and the ketchup. Add the hot sauce and pepper to taste. Place a lettuce wedge on each serving plate. Drizzle with the dressing. Also serve dressing with chips and pretzels!
Recipe adapted from Georgia Cooking in an Oklahoma Kitchen by Trisha Yearwood (c) Clarkson Potter 2008