01 -
Heat oven to 375°F.
02 -
Using a mixer with paddle attachment, beat cream cheese on medium-high until smooth, about 1 minute.
03 -
Add mayonnaise, sour cream, 1 cup cheddar, mustard, lemon juice, Old Bay, Worcestershire and optional hot sauce. Beat until combined.
04 -
Gently fold in lump crab meat. Taste and adjust hot sauce if using.
05 -
Transfer to a 9-inch baking dish. Top with remaining 1/4 cup cheddar.
06 -
Bake for 25 minutes until hot and bubbly around edges. Serve warm.