Old Bay Hot Crab Dip: 8 oz cream cheese, softened, 1 cup mayo, 2 tsp OLD BAY® Seasoning, 1/2 tsp ground mustard, 1 lb lump crabmeat, 1/4 cup shredded Cheddar cheese...Mix cream cheese, mayo, Old Bay & ground mustard in medium bowl until well blended. Add crabmeat; toss gently. Spread in shallow 1-1/2-quart baking dish. Sprinkle with Cheddar cheese and additional Old Bay Seasoning, if desired. Bake at 350 for 30 minutes or until hot and bubbly. Serve with assorted crackers or sliced French bread.