No café da manhã, eu prefiro torrada com manteiga.

No is a contraction of em + o:

• em = in / at / on
• o = the

So:

• em o → no

In no café da manhã, the idea is at breakfast or for breakfast, depending on context.

A few related contractions you’ll see a lot:

• em + a → na
• em + os → nos
• em + as → nas

So no café da manhã is a very normal Portuguese way to say at breakfast / for breakfast.

Yes, literally café da manhã looks like morning coffee, but it means breakfast.

It is a fixed expression:

• café = coffee
• manhã = morning
• café da manhã = breakfast

The da is a contraction of de + a:

• de = of / from
• a = the
• de + a → da

Even though the literal pieces may seem strange from an English perspective, you should learn café da manhã as the standard expression for breakfast.

The comma separates an introductory phrase from the main clause.

• No café da manhã = a time/topic phrase placed first
• eu prefiro torrada com manteiga = the main statement

So the sentence is structured like:

• At breakfast, I prefer toast with butter.

In Portuguese, that comma is natural when a phrase like time, place, or topic comes first.

You could also say:

• Eu prefiro torrada com manteiga no café da manhã.

That version is also correct, but it sounds a little less like you are setting the context first.

Yes, you can absolutely say:

• Prefiro torrada com manteiga.

In Portuguese, subject pronouns are often omitted because the verb ending already shows who the subject is.

Here:

• prefiro = I prefer

So eu is optional.

Why include eu then?

1. Emphasis
   
   • Eu prefiro... = I prefer...
2. Clarity or contrast
   
   • Eu prefiro torrada, mas ele prefere cereal.
3. Natural rhythm in speech

So both are correct:

• No café da manhã, eu prefiro torrada com manteiga.
• No café da manhã, prefiro torrada com manteiga.

Prefiro is the 1st person singular present tense of preferir:

• preferir = to prefer
• prefiro = I prefer

Conjugation in the present:

• eu prefiro = I prefer
• você/ele/ela prefere = you/he/she prefers
• nós preferimos = we prefer
• vocês/eles/elas preferem = you/they prefer

This verb is slightly irregular in the present because the stem changes:

• preferir → prefiro, prefere, preferem

Because preferir is an -ir verb, and in the eu form it becomes prefiro.

Portuguese does not form this verb like Spanish prefiero or an invented form like prefero. The correct Brazilian Portuguese form is:

• eu prefiro

This is just a conjugation pattern you need to learn with the verb.

In Portuguese, torrada is commonly used in the singular when speaking generically about the food:

• Eu prefiro torrada com manteiga.

This is similar to talking about a type of food rather than counting pieces.

If you want to be more specific or refer to multiple pieces, you could use the plural:

• Eu prefiro torradas com manteiga.

Both can work, but the singular often sounds like toast as a general breakfast item.

Portuguese often omits articles when talking about food in a general sense, especially after verbs like preferir, comer, beber, etc.

So:

• prefiro torrada com manteiga
• como pão
• bebo café

This sounds natural when you mean the food generally, not a specific piece or serving.

If you add articles, the meaning may become more specific:

• Prefiro a torrada com a manteiga que você fez.
  = I prefer the toast with the butter you made.

In your sentence, the article-free version is the most natural generic statement.

Com means with.

So:

• torrada = toast
• com manteiga = with butter

This is the normal way to describe accompaniment or topping in many food expressions:

• pão com queijo = bread with cheese
• café com leite = coffee with milk
• arroz com feijão = rice with beans

So torrada com manteiga is a straightforward noun phrase: toast with butter.

Yes, but the phrasing shifts slightly.

• torrada com manteiga = toast with butter
• manteiga na torrada = butter on the toast

The original sentence sounds more natural as a food preference:

• Eu prefiro torrada com manteiga.

If you said:

• Eu prefiro manteiga na torrada.

that sounds more like you are emphasizing how the butter is placed or served.

So the original version is the most idiomatic for this meaning.

Yes. In many contexts, Portuguese uses no café da manhã where English might choose either:

• at breakfast
• for breakfast

Which English translation fits best depends on the situation.

For example:

• No café da manhã, eu prefiro torrada com manteiga.

This could be understood as:

• At breakfast, I prefer toast with butter.
• For breakfast, I prefer toast with butter.

Portuguese does not always separate those two ideas as sharply as English does.

Not exactly. They are related, but not the same.

• de manhã = in the morning
• no café da manhã = at breakfast / for breakfast

So:

• De manhã, eu prefiro torrada com manteiga.
  = In the morning, I prefer toast with butter.

This is broader. It talks about the morning in general.

• No café da manhã, eu prefiro torrada com manteiga.
  specifically refers to breakfast.

So you should not treat them as interchangeable.

Yes, Portuguese word order is somewhat flexible.

All of these can be correct depending on emphasis:

• No café da manhã, eu prefiro torrada com manteiga.
• Eu prefiro torrada com manteiga no café da manhã.
• Prefiro torrada com manteiga no café da manhã.

The version with No café da manhã first emphasizes the breakfast context right away.

The version starting with Eu prefiro sounds more like a direct statement of personal preference.

A rough pronunciation guide for Brazilian Portuguese could be:

No café da manhã, eu prefiro torrada com manteiga.
→ noh kah-FEH dah man-YAH, eh-o preh-FEE-roh toh-HAH-dah kohng man-TAY-gah

A few useful notes:

• café has stress on the last syllable: ca-FÉ
• manhã has a nasal sound at the end
• prefiro has stress on fi: pre-FI-ro
• torrada usually has a Brazilian r sound that may sound like an English h in many accents
• manteiga in Brazil is usually pronounced roughly man-TAY-ga

This is only approximate, but it can help you get started.

Yes, but the meaning changes.

• Eu prefiro torrada com manteiga.
  = I prefer toast with butter.
• Eu gosto de torrada com manteiga.
  = I like toast with butter.

Preferir compares one option to others, even if the other option is not stated.

Gostar de simply says you like something.

So if you want to express preference, prefiro is the better choice.

Because café da manhã is a fixed expression.

• da = de + a = of the
• café da manhã = literally coffee of the morning

You should learn it as a whole chunk.

By contrast, de manhã is a separate adverbial expression meaning in the morning.

So compare:

• café da manhã = breakfast
• de manhã = in the morning

They look similar, but they play different grammatical roles and are not interchangeable.

Yes, it sounds natural and standard.

A Brazilian speaker would understand it immediately, and it works well in everyday conversation.

Very natural alternatives include:

• No café da manhã, prefiro torrada com manteiga.
• Eu prefiro torrada com manteiga no café da manhã.

But your original sentence is perfectly normal.