Small Dish, Little Plate, Little Dish
You have a small plate. Wait, is that it? Yep, that's it.
さら uses the same reading as the one you learned with the kanji, except it's ざら this time because of the rendaku. 小 uses an alternate kun'yomi reading. You can remember it by thinking "What are small? Kids (子) are small. Bwahaha."
There were many small plates on the bar table.
There were five olives on the small plate.
The small plate is about the size of a hand.