Sour cream plus spices of your choice. You can purchase many different flavors of "dip mix" at the grocery store; stir the mix into a tub of sour cream.
All oils can freeze.
Vegetable oil can't freeze.
Yes
If you dip them into liquid nitrogen (LIN) they will freeze instantly.
Heck, yeah!
like mixed vegetables, could be vegetable dip or baked vegetables, or simply salad.
lettace
It depends on how long it is frozen
The main ingredient in hummus is crushed chickpeas. Chickpeas are classified as a vegetable
i think yes
You do not dip anything on Purim. You are referring to the holiday of Passover, and the vegeteble is called Karpas (כרפס)
It seems to be very difficult to freeze vegetable oil at all, so yes, milk freezes much faster than oil.