Da quando preparo la zucca con il rosmarino, la mangia volentieri anche mia nipote.

Da quando introduces a time clause and means since / ever since.

In this sentence, it sets the starting point of a situation:

• Da quando preparo la zucca con il rosmarino...
• Ever since I started making pumpkin with rosemary...

It tells you that from that time onward, something has been true.

Italian often uses the present tense to describe something that started in the past and is still true now, especially with expressions like da quando.

So:

• Da quando preparo... = Ever since I prepare / have been preparing...
• la mangia volentieri... = she eats it willingly / she’s happy to eat it

In natural English, you might use the present perfect or a different structure, but Italian commonly keeps the present here because the situation is ongoing.

Because the subject is I.

• preparo = I prepare
• prepara = he/she prepares

The speaker is talking about their own action:

• Da quando preparo la zucca...
• Ever since I prepare/make pumpkin...

So the first-person singular form preparo is required.

La is a direct object pronoun meaning it.

It refers back to la zucca:

• la zucca = the pumpkin
• la mangia = she eats it

Italian often replaces a repeated noun with a pronoun, just like English does.

So instead of saying:

• ...mangia la zucca...

the sentence says:

• ...la mangia...

Because once la zucca has already been mentioned, Italian normally uses a pronoun to avoid repetition.

So:

• Da quando preparo la zucca con il rosmarino, la mangia volentieri anche mia nipote.

sounds more natural than repeating the full noun again.

This is very similar to English:

• Since I make pumpkin with rosemary, even my granddaughter eats it willingly.

You would normally say it, not the pumpkin again.

Volentieri means something like:

• willingly
• gladly
• happily
• with pleasure

In this sentence, it means that she eats it readily or without resistance.

So la mangia volentieri means:

• she gladly eats it
• she is happy to eat it
• she eats it willingly

This word is very common in Italian.

Examples:

• Vengo volentieri. = I’ll gladly come.
• Lo faccio volentieri. = I’m happy to do it.

Putting anche mia nipote at the end gives it special emphasis.

The idea is roughly:

• Even my granddaughter/niece eats it willingly.

The end position highlights the surprising subject: even she eats it.

Italian word order is more flexible than English, and moving parts of the sentence changes the emphasis more than the basic meaning.

For example:

• Anche mia nipote la mangia volentieri.
• La mangia volentieri anche mia nipote.

Both are possible, but the original version puts more focus on mia nipote.

Here it is best understood as even.

• anche mia nipote = even my granddaughter/niece

That suggests that her eating pumpkin may be a little unexpected, or that other people already eat it and she does too.

In other contexts, anche can mean also / too. The exact translation depends on context and emphasis.

Nipote can mean either:

• grandson / granddaughter
• nephew / niece

So by itself, it is ambiguous.

Only context tells you which meaning is intended. Since you said the meaning is already shown to the learner, you would follow that context here.

This is a very common point of confusion for English speakers.

In Italian, it is very common to use the definite article with ingredients and herbs:

• con il rosmarino = with rosemary
• con il basilico = with basil
• con l’aglio = with garlic

English often drops the article in these cases, but Italian usually keeps it.

So con il rosmarino is the normal, natural way to say it.

It is normal and helpful here because the sentence begins with a subordinate clause:

• Da quando preparo la zucca con il rosmarino, ...

Then comes the main clause:

• ... la mangia volentieri anche mia nipote.

The comma makes the structure clearer. In Italian, this is very common when the time clause comes first.

Yes, with small changes in emphasis.

For example:

• Da quando preparo la zucca con il rosmarino, anche mia nipote la mangia volentieri.
• Anche mia nipote mangia volentieri la zucca da quando la preparo con il rosmarino.

These versions are understandable, but the original sounds natural and nicely emphasizes the final idea: anche mia nipote.

So the original sentence is a good model of idiomatic Italian word order.