K snídani mám nejraději čerstvý chléb, jogurt a hrozny.

K snídani means for breakfast.

Normally, k means to / toward, and it is followed by the dative case. In this expression, Czech uses k + dative idiomatically to mean something like as for breakfast or for breakfast.

So:

• snídaně = breakfast
• k snídani = for breakfast

This is a very common expression. English speakers often expect something more like for breakfast, but Czech simply uses this fixed pattern.

You may also hear na snídani, which can also mean for breakfast, but k snídani is very common when talking about food that is suitable or preferred for breakfast.

Snídani is in the dative singular.

The dictionary form is:

• snídaně = breakfast

After the preposition k, Czech requires the dative. So:

• snídaně → k snídani

This is why the ending changes.

Mám nejraději is a very common Czech way to say I like ... the most.

Compare:

• mám rád = I like
• mám nejraději = I like the most / I like best

So in this sentence:

• K snídani mám nejraději čerstvý chléb, jogurt a hrozny.
• Literally: For breakfast, I have most gladly fresh bread, yogurt, and grapes.
• Natural English: For breakfast, I like fresh bread, yogurt, and grapes best.

Even though it contains the verb mám (I have), the whole phrase functions like I like.

Nejraději is the superlative form of rád / raději in this kind of expression.

A useful pattern is:

• rád = gladly / with pleasure / likes
• raději = rather / more gladly / prefer
• nejraději = most gladly / like best / prefer most

So:

• Mám rád jogurt. = I like yogurt.
• Mám raději jogurt než sýr. = I prefer yogurt to cheese.
• Mám nejraději jogurt. = I like yogurt best.

In this sentence, nejraději tells you this is the speaker’s top choice for breakfast.

Because čerstvý must agree with chléb.

• chléb = bread
• It is masculine inanimate singular
• The object here is in the accusative, but for masculine inanimate nouns, the accusative is the same as the nominative

So:

• čerstvý chléb = fresh bread

The adjective čerstvý matches the noun in:

• gender
• number
• case

That is why the ending is -ý here.

Yes, that is completely normal.

The adjective čerstvý only describes chléb, not all three foods.

So the structure is:

• čerstvý chléb
• jogurt
• a hrozny

Meaning:

• fresh bread, yogurt, and grapes

If the speaker wanted fresh to apply to more items, Czech would usually repeat or adjust the adjective more clearly. For example:

• čerstvý chléb a čerstvé hrozny = fresh bread and fresh grapes

But in your sentence, only the bread is explicitly described as fresh.

Hrozny is plural because Czech normally talks about grapes in the plural, just like English does.

• hrozen = a bunch/cluster of grapes
• hrozny = grapes

So if you want to say the fruit people eat individually, Czech commonly uses hrozny.

This is the natural word here.

They are in the accusative case, because they are the things the speaker likes best in the expression mám nejraději.

So:

• čerstvý chléb = accusative singular
• jogurt = accusative singular
• hrozny = accusative plural

A helpful detail:

• For masculine inanimate singular nouns like chléb and jogurt, the accusative often looks the same as the nominative.
• For hrozny, the plural form is the normal one used here.

Yes, you could change it, but the original word order is very natural.

Original:

• K snídani mám nejraději čerstvý chléb, jogurt a hrozny.

This puts for breakfast first, setting the topic.

Other possible versions include:

• Nejraději mám k snídani čerstvý chléb, jogurt a hrozny.
• Čerstvý chléb, jogurt a hrozny mám k snídani nejraději.

These are still understandable, but they shift emphasis slightly.

The original sounds smooth and neutral:

• first the context: for breakfast
• then the preference: I like best
• then the items: fresh bread, yogurt, and grapes

Yes, but the meaning changes a little.

• mám nejraději = I like best / I prefer most
• nejvíc mi chutná = tastes best to me / I like the taste of ... most

So:

• K snídani mám nejraději čerstvý chléb... focuses on general preference.
• K snídani mi nejvíc chutná čerstvý chléb... focuses more on taste.

Both are possible, but mám nejraději is a very standard and useful way to express overall preference.

A few pronunciation notes:

• ch in Czech is not like English ch in chair.
  It is a rough sound, like the ch in German Bach or Scottish loch.
• é is a long vowel, so chléb has a long eh sound.
• h in hrozny is clearly pronounced.
• zny may feel awkward for English speakers, but Czech consonant clusters are common.

Roughly:

• chléb ≈ khlehb with a long vowel
• hrozny ≈ hro-zni

You do not need a perfect English-style approximation, but it helps to remember that Czech spelling is quite consistent.

Because Czech, like English, uses commas to separate items in a list.

So:

• čerstvý chléb, jogurt a hrozny

means:

• fresh bread, yogurt, and grapes

The final a means and, just as in English.

Czech usually does not use a comma before a in a simple list, so the punctuation here is standard.