In the bottom of a stand mixer, add cream cheese, cream, garlic powder, onion powder, and salt. Using the whisk attachment, whip until fluffily, about five minutes.
Add remaining ingredients, use a spatula to combine everything. Season to taste with salt and pepper.
Serve with toasted bagel pieces.
Recipe by Cooking for Keeps at https://www.cookingforkeeps.com/lox-fixings-dip/