What is a top up dish?

"Top up dish" is not a standard culinary term. It's likely a phrase used in a specific context, like:

* A dish served as an extra portion: Perhaps at a buffet or restaurant where you can request a "top up" of a particular dish you enjoyed.

* A dish meant to be added on top of something else: For example, a "top up dish" could be a sauce or garnish meant to be added to a main dish.

* A dish used to complete a meal: This might be something light and simple, served after a main course to "top up" your meal.

To understand what a "top up dish" is, you need more context. Can you please provide more information about where you encountered this phrase?

For instance:

* Where did you hear it? (Restaurant menu, recipe book, conversation, etc.)

* What was the context? (What was being discussed or served?)

This will help me understand the meaning of "top up dish" in your specific situation.