01 -
In a large bowl, combine softened cream cheese, sour cream, minced garlic, Old Bay seasoning, salt, pepper, and hot sauce if using. Whip together with a spatula or hand mixer for approximately 3 minutes until smooth and airy.
02 -
Gently fold in chopped shrimp, drained lump crab, half of the mozzarella, all Parmesan cheese, and half of the chopped green onions or chives. Mix carefully to maintain chunky texture and preserve crab pieces.
03 -
Transfer the mixture into a medium oven-safe baking dish. Smooth the surface and evenly sprinkle the remaining mozzarella cheese on top.
04 -
Preheat oven to 375°F. Place the dish on the center rack and bake for 20 to 25 minutes, until the cheese is bubbling and the top turns golden brown.
05 -
Switch the oven to broil and broil for 1 to 2 minutes to achieve a golden crust. Watch carefully to avoid burning.
06 -
Sprinkle remaining green onions or chives over the hot dip. Serve immediately with toasted baguette slices or crackers for dipping.