While "bite-size" is the most common, you may also hear "snack size".
"Bite-size" - something that is small enough to fit into your mouth without biting it.
"Snack size" - this might only take one bite to eat, or perhaps two.
"The cookies are bite-size and perfect for on the go."
"Your cupcakes are the perfect bite-size portion."
"This brownie is the perfect snack size treat! "
"Did you get a snack size cookie?"
"bite-size"という言葉は最も一般的ですが、"snack size" というフレーズもよく聞きます。
"bite-size"は噛み千切らなくても、一口で口の中に入るサイズのことを言います。
”snack size"はひと口かふた口で食べられるものを指します。
"The cookies are bite-size and perfect for on the go."
（このクッキーは一口サイズで持ち歩くのにちょうどいい。）
"Your cupcakes are the perfect bite-size portion."（あなたが作ったカップケーキは一口で食べられてちょうどいい。）
"This brownie is the perfect snack size treat! "（このブラウニーは何口かで食べられてちょうどいいおやつです。）
"Did you get a snack size cookie?"（スナックサイズのクッキーを買った？）
A very popular way to describe food that is small and can fit into your mouth in one bite is called "Bite-size".
This cake is bite-size.
Often food that is small and that you can eat in one bite is also called "Mini"
"Mini" means small.
These are mini biscuits.
一口で口に入る小さな食べ物を表す時は「bite-size」がよく使われます。
【例】
This cake is bite-size.
〔訳〕このケーキは一口サイズだ
また「mini」も一口サイズの食べ物を表します。
「mini」は「小さい（small）」という意味です。
【例】
These are mini biscuits.
〔訳〕これはミニビスケットです。
A small cake may be known as either a bun or a cup cake. You can usually eat these in one bite if you want to impress someone with the size of your mouth!
With other foods, you could say something like: "This is a bite size chicken portion", for example, meaning a small piece of chicken.
You could also add the prefix 'mini' to any food. "This is a mini apple which may be eaten whole."
小さなケーキは bun「（英）小さくて丸い菓子パン」か cup cake「カップケーキ」として知られているかもしれません。
口の大きさで誰かに印象づけたいのなら、大抵はこのようなケーキを一口で食べれば良いでしょう！
他の食べ物で言えば、例えば小さなチキンの一切れを表すのに、"This is a bite size chiken portion."「これは一口大に切ったチキンの切り身です」のように言うことができます。
また接頭辞の "mini" をどんな食べ物にも付けることができます。
"This is a mini apple which may be eaten whole."
「これは丸ごと食べてもいいミニリンゴです」
The word miniature describes a very small version of something.
Kids - size food often consists of a smaller portion, so you can ask for a kids meal or kids portion if you want a smaller amount to eat.
The most common expression of a small version of a food would be, "bite-sized," as it describes something that could be eaten in one bite.
We can also use the word, "mini," to refer that is small.
"Miniature" is the full version of the word, "mini."
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