Tahin ve pekmez karışımını görünce ekmeğe sürmeden edemiyorum.

Karışımını breaks down like this:

• karışım = mixture
• karışımı = the mixture of ... / its mixture
  In this sentence, it is part of the noun compound tahin ve pekmez karışımı = the tahini-and-molasses mixture
• karışımını = that same noun in the definite accusative, because it is the direct object of görünce

So:

• Tahin ve pekmez karışımı = tahini and molasses mixture
• Tahin ve pekmez karışımını = the tahini and molasses mixture (as the thing being seen)

The extra -n- appears before the accusative ending because the noun already has a possessive-type ending inside the compound.

Görünce means when I see or upon seeing.

It comes from:

• görmek = to see
• gör-ünce = when seeing / when one sees

In this sentence, the subject is understood from context, so görünce is naturally read as when I see it.

Depending on context, it can sound like:

• when I see
• as soon as I see
• upon seeing

Because ekmeğe is in the dative case, which here means something like onto the bread or to the bread.

With sürmek in the sense of to spread/apply something onto a surface, Turkish often marks the surface with the dative:

• ekmek = bread
• ekmeğe = onto the bread / to the bread

So the hidden object is the mixture, and bread is the surface it gets spread onto.

Also notice the sound change:

• ekmek
  • -e
• becomes ekmeğe

The final k often softens to ğ before a vowel-ending suffix.

Here sürmek means to spread or to smear onto.

Turkish sürmek has several meanings depending on context, for example:

• araba sürmek = to drive a car
• krem sürmek = to apply cream
• ekmeğe tereyağı sürmek = to spread butter on bread

In this sentence, it clearly means to spread the tahini-and-molasses mixture on bread.

This is a very common Turkish pattern:

• -meden / -madan edememek

It means:

• cannot help doing
• cannot refrain from doing
• just can’t stop myself from doing

So:

• sürmeden edemiyorum = I can’t help spreading it

It looks negative because it literally contains:

• sürmeden = without spreading
• edemiyorum = I can’t do

But together, the whole expression is idiomatic. It does not mean simple inability. It means a strong urge or habit:

• I just can’t resist spreading it on bread.

Because Turkish often leaves out subject pronouns when the verb already shows the person.

• edemiyorum ends with -yorum, which tells you the subject is I

So Turkish does not need ben here.

If you added ben, it would sound more emphatic:

• Ben tahin ve pekmez karışımını görünce ekmeğe sürmeden edemiyorum.

That would mean something like As for me, I just can’t help spreading it on bread when I see it.

Because Turkish often omits objects if they are already clear from context.

The thing being spread is obviously the tahini-and-molasses mixture, which was just mentioned. So Turkish does not need to repeat it.

A fuller version could be:

• Tahin ve pekmez karışımını görünce onu ekmeğe sürmeden edemiyorum.

That is also grammatical, but the onu is often unnecessary.

The sentence is:

• Tahin ve pekmez karışımını = the object
• görünce = when I see
• ekmeğe sürmeden edemiyorum = I can’t help spreading it on bread

A natural English-like breakdown would be:

• When I see the tahini-and-molasses mixture, I can’t help spreading it on bread.

Turkish often puts the time or condition clause first, so görünce naturally appears before the main verb. Also, the main verb usually comes at the end:

• ... edemiyorum

That final position is very typical in Turkish.

Yes, you could say:

• ekmeğin üstüne sürmek = to spread onto the top of the bread

Both are natural, but they are slightly different in feel:

• ekmeğe sürmek = onto the bread
• ekmeğin üstüne sürmek = onto the surface/top of the bread

The original sentence with ekmeğe is completely normal and idiomatic.

Not always. The exact translation depends on context.

-ınca / -ince / -unca / -ünce can mean:

• when
• once
• after
• as soon as

So görünce could be understood as:

• when I see it
• once I see it
• as soon as I see it

In this sentence, as soon as I see it works especially well because the sentence expresses an immediate temptation.

It is quite natural everyday Turkish.

Especially the pattern:

• -meden edememek

is very common in speech and writing when you want to say:

• I can’t help ...
• I just can’t resist ...

So the whole sentence sounds like a normal, expressive everyday sentence. The only thing that may feel culturally specific is tahin ve pekmez, since that is a familiar food combination in Turkish-speaking contexts.

Yes:

• Tahin ve pekmez = tahini and molasses
• karışımını = the mixture (as direct object)
• görünce = when I see
• ekmeğe = onto the bread
• sürmeden edemiyorum = I can’t help spreading it

So the structure is:

• [When I see the tahini-and-molasses mixture] [I can’t help spreading it on bread].

This is a very useful sentence for learning several important Turkish patterns at once:

• noun compounds
• accusative marking
• -ince clauses
• dative with sürmek
• the idiom -meden edememek