A mi hija le gusta la yema del huevo un poco blanda.

Yes, they both point to the same person, but this is normal in Spanish.

With gustar, Spanish usually uses:

• an indirect object pronoun: le
• and often also the full phrase for clarity or emphasis: a mi hija

So:

• Le gusta la yema... = She likes the yolk... / The yolk pleases her
• A mi hija le gusta la yema... = My daughter likes the yolk...

This is called clitic doubling, and it is very common with gustar and similar verbs.

The pronoun le is normally required, while a mi hija can be added to specify exactly who le refers to.

Because gustar agrees with the thing being liked, not with the person who likes it.

In this sentence, the thing being liked is:

la yema del huevo un poco blanda

That whole idea is singular, because the main noun is la yema.

So Spanish uses:

• gusta for a singular thing
• gustan for plural things

Compare:

• A mi hija le gusta la yema. = She likes the yolk.
• A mi hija le gustan las yemas. = She likes yolks.

The grammatical subject is:

la yema del huevo un poco blanda

That may feel strange to an English speaker, because in English we usually say my daughter likes..., where my daughter is the subject.

But with gustar, Spanish works more like:

• The egg yolk is pleasing to my daughter

So:

• la yema del huevo... = subject
• a mi hija / le = the person affected, the indirect object

Because blanda describes yema, and yema is feminine singular.

So the adjective has to agree with yema:

• la yema blanda
• not la yema blando

It does not agree with:

• huevo (masculine)
• hija (also feminine, but not the noun being described)

The structure is:

• la yema = the noun
• blanda = adjective describing that noun

Un poco means a little or a bit.

So un poco blanda means:

• a little soft
• slightly soft
• in context, probably slightly runny/soft-set

Even though un poco comes before the adjective, the adjective still agrees with the noun it describes.

So:

• la yema ... blanda
• un poco just modifies the degree

You can think of it as:

• la yema [está] un poco blanda

Del is the contraction of:

• de + el = del

So:

• la yema del huevo = the yolk of the egg

Spanish normally contracts de el to del (except with proper names like de El Escorial).

Here, del huevo identifies what yolk we mean: the yolk of the egg.

Both are possible, but they are not exactly the same.

• la yema del huevo = the yolk of the egg / the egg yolk as a specific item in this situation
• yema de huevo = egg yolk more generally, often as an ingredient or substance

So in this sentence, la yema del huevo sounds like the yolk from an egg being eaten.

If you were talking about ingredients in cooking, yema de huevo would often be more natural.

Yes, if it is already clear who le refers to.

You could simply say:

• Le gusta la yema del huevo un poco blanda.

That means:

• She likes the egg yolk a bit soft/runny.

Adding a mi hija makes it clearer or more emphatic:

• A mi hija le gusta...

This is especially useful if:

• you are introducing the person for the first time
• you want contrast, such as A mi hijo no, pero a mi hija sí

Yes. Spanish word order is flexible, though some orders sound more neutral than others.

The most neutral version here is:

• A mi hija le gusta la yema del huevo un poco blanda.

You could also say:

• La yema del huevo un poco blanda le gusta a mi hija.

That version gives more focus to la yema del huevo un poco blanda, but it is less neutral.

In everyday speech, the original order is very natural.

Yes, it is understandable and natural enough. Here blanda suggests the yolk is soft, not fully firm.

Depending on context, people in Spain might also say things like:

• poco hecha
• líquida
• blandita

The nuance changes a bit:

• blanda = soft
• líquida = more liquid/runny
• poco hecha = underdone / not cooked much
• blandita = a softer, more affectionate or informal version of blanda

So blanda works well, especially if you mean the yolk is not hard.

Because blanda is not forming a separate clause here; it is directly describing la yema inside the noun phrase.

So this is like saying:

• the slightly soft egg yolk

not:

• the yolk is slightly soft

Spanish often allows this kind of compact noun phrase:

• la yema del huevo un poco blanda

If you wanted to turn it into a full clause, you could say:

• A mi hija le gusta la yema del huevo cuando está un poco blanda.

That means:

• My daughter likes the egg yolk when it is a little soft.