About 2 - 3 oz
These are items so small they can be considered a snack. Think about a beer flight or a ceviche tasting, something that will not get you full, but it's enough to savor.
About 4 - 6 oz
A serving a little bigger than a tasting, but just about enough to taste more items available. A small item can be a beautiful presentation of a smaller version of a regular entree.
About 6 - 8 oz
A meal big enough to satisfy the hunger for a few hours. Think of this item as an appetizer you can get at a restaurant.
About 10 - 12 oz
An item enough to fill you up, but still have room for dessert or a side dish.
About 4 - 8 oz
Typically paired well with an entree but some like to have it as an appetizer.
About 12 - 16 oz