Si quieres, mañana te enseño a preparar una salsa con albahaca fresca.

Quieres is the tú form of querer, so the speaker is talking to one person informally.

That means this sentence is addressed to:

• a friend
• a family member
• someone the speaker is on informal terms with

In Spain, if you wanted to make it formal, you would say:

Si quiere, mañana le enseño...

And if you were speaking to more than one person informally in Spain:

Si queréis, mañana os enseño...

Literally, si quieres means if you want. In natural English, though, it often means something like:

• if you like
• if you want
• if you'd like

It makes the sentence sound softer and more polite, as if the speaker is offering rather than insisting.

So Si quieres, mañana te enseño... feels like: If you want, I can show you tomorrow...

The comma separates the introductory conditional phrase Si quieres from the main clause.

So the structure is:

• Si quieres = condition / soft introductory phrase
• mañana te enseño... = main statement

In English, this works similarly: If you want, I’ll show you tomorrow.

The comma helps mark that pause.

Te means to you. It is the indirect object pronoun.

So:

• enseño = I teach / I show
• te enseño = I teach you / I show you

Spanish often uses these short object pronouns where English uses a full phrase.

Examples:

• Te ayudo = I help you
• Te digo = I tell you
• Te enseño = I show you / I teach you

Without te, the sentence would lose the idea of who is being shown or taught.

Spanish often uses the present tense to talk about a near or planned future, especially when there is a clear time word like mañana.

So:

• Mañana te enseño... = literally present tense, but naturally means Tomorrow I’ll show you...

This is very common and natural.

You could also say:

Mañana te enseñaré...

That uses the future tense and also means Tomorrow I’ll show you..., but mañana te enseño often sounds more immediate and conversational.

Spanish usually omits subject pronouns when they are not needed, because the verb ending already shows who the subject is.

Here, enseño clearly means I show / I teach, so yo is unnecessary.

• (Yo) enseño = I teach / I show

You can include yo for emphasis, contrast, or clarity, but normally it is left out.

So:

• Mañana te enseño... = the most natural version
• Mañana yo te enseño... = possible, but more emphatic

After enseñar, Spanish often uses a + infinitive to mean teach/show someone how to do something.

So:

• te enseño a preparar = I show you how to prepare
• literally: I teach you to prepare

This pattern is very common:

• Te enseño a cocinar = I’ll show you how to cook
• Te enseño a usarlo = I’ll show you how to use it
• Te enseño a hacerlo = I’ll show you how to do it

So the a is required as part of the structure enseñar a + infinitive.

It can mean either, depending on context.

In this sentence, te enseño a preparar una salsa..., it most naturally means:

• I’ll show you how to make a sauce
• or I’ll teach you how to make a sauce

Both are possible in English, but show often sounds more natural in this kind of everyday cooking context.

So enseñar is broader than just classroom-style teach. It can also mean show in practical situations.

Yes, Spanish word order is flexible. Mañana is placed early here to set the time frame right away.

This is natural:

• Si quieres, mañana te enseño...

But these are also possible:

• Si quieres, te enseño mañana...
• Mañana, si quieres, te enseño...

The original version sounds very natural because it first gives the condition, then the time, then the action.

Also, in this sentence mañana means tomorrow, not morning.

• mañana = tomorrow
• por la mañana = in the morning

Spanish often uses an article where English might not.

Here, una salsa means a sauce. The speaker is talking about making one sauce, not sauce in general as a concept.

So:

• preparar una salsa = to prepare a sauce

If you said just preparar salsa, it could sound more general or less complete in this context.

Using una makes it sound like a concrete recipe or dish.

In Spanish, adjectives usually come after the noun, especially when they are simply describing it.

So:

• albahaca fresca = fresh basil

This is the normal order.

Putting the adjective before the noun is less common and often adds a more literary, emotional, or stylistic effect. In ordinary speech, albahaca fresca is the expected form.

So:

• con albahaca fresca = with fresh basil

Both are possible, but I’ll show you is often the better everyday translation here.

Why? Because in a sentence about cooking, enseñar a preparar often sounds like a practical demonstration rather than a formal lesson.

So:

• If you want, tomorrow I’ll show you how to make a sauce with fresh basil.

is probably the most natural English version.

But:

• If you want, tomorrow I’ll teach you how to make a sauce with fresh basil.

is also correct.

The difference is mostly about tone:

• show you = more casual, practical
• teach you = a bit more instructional

You would change the informal tú forms to formal usted forms.

Original:

• Si quieres, mañana te enseño...

Formal:

• Si quiere, mañana le enseño...

Changes:

• quieres → quiere
• te → le

So the full formal version is:

Si quiere, mañana le enseño a preparar una salsa con albahaca fresca.

This would be appropriate for someone you address as usted.