Fritu la fazeolojn en la pato.

Because -u is the Esperanto verb ending for a command, request, or exhortation.

So:

• friti = to fry
• fritas = fries / is frying
• fritis = fried
• fritos = will fry
• fritu = fry! / please fry

In this sentence, Fritu la fazeolojn en la pato. means you are telling someone to fry the beans.

Because fazeolojn is the direct object, and Esperanto marks direct objects with -n.

Here is the breakdown:

• fazeolo = bean
• fazeoloj = beans
• fazeolojn = beans as the direct object

The sentence is about doing the action of frying to the beans, so they get the accusative -n.

A useful way to see it:

• -j = plural
• -n = direct object

So fazeolojn = bean + plural + object.

Because Esperanto uses la for the, and it does not change for singular or plural.

So:

• la fazeolojn = the beans
• la pato = the pan

Unlike English, Esperanto has only one definite article: la.
It does not change for gender, number, or case.

Also, Esperanto has no indefinite article. So:

• pato = a pan / pan
• la pato = the pan

Because en la pato is a prepositional phrase, not the direct object.

The direct object is la fazeolojn.
The phrase en la pato tells you where the frying happens: in the pan.

With en, you normally use no -n when you are talking about location:

• en la pato = in the pan

If you were talking about movement into the pan, you could use -n:

• Metu la fazeolojn en la paton. = Put the beans into the pan.

So:

• en la pato = in the pan, located there
• en la paton = into the pan, motion toward it

Yes. fazeolo is the standard Esperanto word for bean.

It often refers to beans in the general sense. If needed, context or an extra word can make the type clearer.

For example:

• verdaj fazeoloj = green beans
• blankaj fazeoloj = white beans
• nigraj fazeoloj = black beans

So in your sentence, la fazeolojn simply means the beans.

Yes. Esperanto word order is fairly flexible because the -n ending helps show what the direct object is.

The most straightforward order here is:

• Fritu la fazeolojn en la pato.

But you could also say things like:

• La fazeolojn fritu en la pato.
• En la pato fritu la fazeolojn.

These are still understandable because fazeolojn is clearly marked as the object.

That said, the original order is the most neutral and natural for a simple instruction.

Not necessarily. The -u form is neutral: it can be a command, instruction, request, or recipe-style direction.

In recipes, -u is extremely common and does not sound rude:

• Tranĉu la cepojn. = Cut the onions.
• Aldonu salon. = Add salt.
• Fritu la fazeolojn en la pato. = Fry the beans in the pan.

If you want to sound more explicitly polite in conversation, you can add words like bonvolu:

• Bonvolu friti la fazeolojn en la pato. = Please fry the beans in the pan.

A rough pronunciation guide is:

• Fritu ≈ FREE-too
• la ≈ lah
• fazeolojn ≈ fa-zeh-OH-loyn
• en ≈ en
• la ≈ lah
• pato ≈ PAH-toh

A few useful pronunciation points:

• Stress is on the second-to-last syllable:
  FRI-tu, fa-ze-O-lojn, PA-to
• j is pronounced like English y
• z sounds like English z
• o is always a clear o sound
• a is always a clear ah sound

So -ojn sounds roughly like oyn.

Here is the breakdown:

• Fritu — verb in the -u form, giving a command/request
• la — definite article, meaning the
• fazeolojn — noun, plural, direct object
• en — preposition, meaning in
• la — definite article again
• pato — noun, meaning pan

This is a very typical Esperanto sentence structure:
verb + object + prepositional phrase

The -u ending can sometimes express a broader idea of will, wish, or exhortation, not only a direct command. But in a simple standalone sentence like this, the most natural interpretation is a direct instruction to the listener:

• Fritu la fazeolojn en la pato. = Fry the beans in the pan.

In other contexts, -u can be used in other ways, such as:

• Li venu. = Let him come. / He should come.

So the form is broader than just English imperatives, but here it functions just like an imperative instruction.

Because en means in, while sur means on.

For cooking, Esperanto often uses en la pato where English also says in the pan. That means the beans are being fried inside the pan as the container.

• en la pato = in the pan
• sur la pato = on the pan

sur la pato would usually suggest being physically on top of the pan, which is not what you want here.