benisyouga wo kizamu.

を marks the direct object of the verb. In other words, it shows what thing is being acted on.

So in 紅しょうがを刻む, the thing being chopped/minced is 紅しょうが.

A very literal breakdown is:

• 紅しょうが = pickled red ginger
• を = object marker
• 刻む = to chop/mince finely

So the structure is basically [thing] + を + [verb].

Japanese often leaves out the subject when it is obvious from context.

This sentence sounds very natural in places like:

• a recipe
• cooking instructions
• a casual note
• a list of steps

In that kind of context, the implied meaning might be:

• (You) chop the red pickled ginger
• Chop the red pickled ginger
• (Next,) chop the red pickled ginger

Japanese does this all the time. If the subject is clear, it usually does not need to be stated.

刻む is in the plain dictionary form.

This form can mean different things depending on context, including:

• a general action: to chop
• future action: will chop
• instruction-style wording: chop
• habitual action: chops

In a recipe, dictionary form often functions like a step or instruction, so 紅しょうがを刻む。 is naturally understood as Chop the red pickled ginger.

The polite version would be:

• 紅しょうがを刻みます。

But in recipes, the plain form is very common.

It is more specific than a general cut.

刻む usually means to chop something into small pieces, mince it, or cut it finely. It often suggests repeated small cuts.

Compare:

• 切る = to cut
• 刻む = to chop/mince finely

So if a recipe says 刻む, it usually means more than just making one cut. It suggests making the ingredient small.

It is pronounced べにしょうが.

Breakdown:

• 紅 = べに
• しょうが = ginger

A few notes:

• しょうが is usually written in hiragana very often, even though there is a kanji form 生姜
• So 紅しょうが is a very normal way to write it
• The word refers to the red pickled ginger often served with foods like yakisoba or takoyaki

This is very common in Japanese.

Even when a word has a kanji form, it is often written in hiragana if:

• the hiragana spelling is more common
• the kanji is less familiar
• the writer wants the word to feel simpler or easier to read
• it is food-related vocabulary that is commonly written in kana

For example, 生姜 exists, but しょうが is extremely common in everyday writing.

So 紅しょうが is not strange at all. It is a standard-looking spelling.

Yes, it functions as one noun here.

Literally, the parts are:

• 紅 = crimson/red
• しょうが = ginger

But together, 紅しょうが means red pickled ginger, a specific food item.

So in this sentence, treat 紅しょうが as a single noun phrase, not as two separate grammatical pieces.

By itself, it can sound instruction-like, especially in a recipe.

However, it is not the same as a direct command form like:

• 刻め = Chop!
• 刻みなさい = Chop it.
• 刻んでください = Please chop it.

Instead, 刻む in a recipe is more like neutral procedural language: chop as a step in the process.

So it feels less like someone bossing you around and more like a written instruction.

A simple polite version is:

• 紅しょうがを刻みます。

If you want to make it sound like a polite request, you could say:

• 紅しょうがを刻んでください。 = Please chop the red pickled ginger.

If you are writing a recipe, though, the plain style 紅しょうがを刻む。 is very natural.

You are right: normal Japanese usually does not use spaces.

Standard writing would be:

• 紅しょうがを刻む。

Spaces are often added in textbooks or beginner materials to make the sentence easier to read and to show the word boundaries clearly.

So the spaced version is a learning aid, not standard everyday formatting.