1 Slowly Heat The Cream Cheese, Mayo, Powdered Sugar, Garlic Powder, Old Bay, Lemon Zest, And Mustard In A Double Boiler Until The Cheese Is Completely Melted. (If You Don'T Have A Double Boiler, Fill A Saucepan A Third Of The Way With Water And Bring To A Boil, Place A Metal Bowl Over The Saucepan. This Will Work As A Double Boiler.) 2 Slowly Stir In The Wine And Lemon Juice (Adjust Quantities To Taste And Desired Consistency). Slowly Stir In The Crab Meat And Onion Greens. To Serve, Transfer To A Heated Chafing Dish Or Fondue Pot To Keep Warm. Present With Bread Cubes And Forks For Dipping.