Saya membuat sandwich dengan selada dan tomat.

Saya and aku both mean I, but they differ in tone.

• Saya is more neutral and polite.
• Aku is more casual and personal.

So Saya membuat sandwich dengan selada dan tomat sounds like a safe, standard sentence. In casual speech, especially with friends, someone might say Aku membuat sandwich dengan selada dan tomat instead.

Membuat means to make.

In this sentence, it means made / make in the sense of preparing something:

• Saya membuat sandwich = I make / made a sandwich

Indonesian verbs do not change form for tense the way English verbs do, so membuat by itself does not tell you whether it is present or past. The time usually comes from context or time words such as:

• sekarang = now
• tadi = earlier
• kemarin = yesterday

Yes. Bikin is a very common informal alternative to membuat.

So you could say:

• Saya bikin sandwich dengan selada dan tomat

That sounds more conversational.
In formal writing or careful speech, membuat is often preferred.

Yes, it is normal. Sandwich is a borrowed word and is widely understood.

There is also roti lapis, which is a more Indonesian expression:

• Saya membuat roti lapis dengan selada dan tomat

Both are understandable, but sandwich is very common in everyday usage, especially for Western-style food.

Dengan often means with.

In this sentence, dengan selada dan tomat means the sandwich includes lettuce and tomato, or is made using them.

So:

• sandwich dengan selada dan tomat = a sandwich with lettuce and tomato

Depending on context, Indonesian speakers may also use pakai in more casual speech:

• sandwich pakai selada dan tomat

That is very natural in conversation.

It can feel a little broad, just like English with.

In this sentence, the most natural interpretation is:

• the sandwich contains lettuce and tomato

But dengan can also sometimes express the idea of using.

If you want a more explicitly casual, ingredient-like feel, many speakers would say:

• Saya membuat sandwich pakai selada dan tomat

Pakai often feels more like using.

Indonesian often puts the noun first, followed by extra information about it.

So:

• sandwich = the main thing
• dengan selada dan tomat = information describing what comes with it

This is similar to English sandwich with lettuce and tomato.

The basic structure is:

• Saya = subject
• membuat = verb
• sandwich dengan selada dan tomat = object phrase

Indonesian does not usually use articles like a, an, or the.

So:

• Saya membuat sandwich can mean I make a sandwich, I made a sandwich, or sometimes I’m making the sandwich, depending on context.

If you need to be more specific, Indonesian uses other words instead of articles, such as:

• sebuah sandwich = a sandwich
• sandwich itu = the sandwich / that sandwich

But in many ordinary sentences, no article is needed.

Indonesian nouns usually do not have to show singular or plural if the meaning is clear from context.

So:

• selada can mean lettuce
• tomat can mean tomato or tomatoes, depending on the situation

If you really want to show plurality, Indonesian can use reduplication:

• tomat-tomat = tomatoes

But in normal speech, that is often unnecessary.

Yes. Selada is the normal word for lettuce.

Be careful not to confuse it with salad in English.
In Indonesian:

• selada = lettuce
• salad = salad

They look similar, but they are not the same word.

Sometimes, yes, especially in conversation, if the subject is already clear.

For example:

• Membuat sandwich dengan selada dan tomat.

This can work in informal contexts, such as notes, recipes, or when the subject is obvious. But as a full, standard sentence for learners, including saya is better and clearer.

It is natural and correct. But in casual spoken Indonesian, many people would say:

• Saya bikin sandwich pakai selada dan tomat.

This version sounds more conversational because:

• bikin is more informal than membuat
• pakai is very common in speech for with / using

So the original sentence is good, but it sounds a bit more neutral or textbook-like.

The base word is buat, which has meanings related to make, for, or do depending on context.

Membuat is the standard verb form built from that base. In careful Indonesian, membuat is the normal full verb meaning to make.

In casual speech, people often use the shorter base form or a different informal word:

• buat = sometimes used casually
• bikin = very common informal verb for make

So:

• Saya membuat sandwich = standard
• Saya buat sandwich = casual
• Saya bikin sandwich = very common casual speech

Yes. Indonesian verbs do not change form for present and past the way English verbs do.

So Saya membuat sandwich dengan selada dan tomat could mean:

• I make a sandwich with lettuce and tomato
• I am making a sandwich with lettuce and tomato
• I made a sandwich with lettuce and tomato

The exact meaning depends on context or added time words:

• Sekarang saya membuat sandwich... = Now I am making a sandwich...
• Tadi saya membuat sandwich... = Earlier I made a sandwich...