Kiedy wracamy z lodziarni, często siadamy na ławce i jemy jedną drożdżówkę razem.

Here kiedy introduces a time clause: when we come back from the ice cream shop.

Because the sentence describes a repeated habit, the overall sense is close to whenever in English. So:

Kiedy wracamy z lodziarni, ...
= When / Whenever we come back from the ice cream shop, ...

Both ideas are possible, but in this sentence the habitual meaning comes mostly from często and the present-tense verbs.

Polish often uses the present tense for habitual, repeated actions, just like English does in sentences such as When we come home, we eat.

So wracamy means we come back / we are coming back in a general, repeated sense.

Here it does not mean one specific return trip happening right now. It means something like:

Whenever we come back from the ice cream shop, we often...

If you wanted a single future event, you would normally use a different form, for example kiedy wrócimy... = when we come back (one future time).

Because z here means from / out of, and that use of z requires the genitive case.

The base form is:

• lodziarnia = ice cream shop / ice cream parlor

After z, it becomes:

• z lodziarni = from the ice cream shop

So this is a case pattern you should learn:

• z domu = from the house
• z pracy = from work
• z lodziarni = from the ice cream shop

Be careful: z can also mean with, and in that meaning it usually takes the instrumental, not the genitive. Here it clearly means from.

Because Polish usually leaves subject pronouns out when they are already clear from the verb ending.

Here the endings show we:

• wracamy = we come back
• siadamy = we sit down
• jemy = we eat

So adding my is not necessary.

You could say Kiedy my wracamy..., but that would sound emphatic, as if you were contrasting we with someone else.

This is a very common question.

• siadać / siadamy = to sit down, to take a seat
• siedzieć / siedzimy = to be sitting

So:

• często siadamy na ławce = we often sit down on a bench
• często siedzimy na ławce = we often sit on a bench / are often sitting on a bench

In your sentence, siadamy suggests the action of taking a seat after coming back.

With verbs connected to sitting, Polish normally uses na + locative for the place where someone sits.

So:

• na ławce = on a bench
• na krześle = on a chair
• na kanapie = on a sofa

That is why you get:

• siadamy na ławce

Even though siadać involves movement, Polish still normally says siadać / usiąść na ławce, na krześle, na ziemi, etc.

So the important thing to remember is simply this pattern:

siadać / siedzieć / usiąść + na + locative

Because drożdżówka is a feminine noun, and here it is the direct object of jemy.

Base form:

• jedna drożdżówka = one sweet bun / one yeast pastry

But in the accusative singular, feminine words change:

• jedna → jedną
• drożdżówka → drożdżówkę

So:

• jemy jedną drożdżówkę = we eat one sweet bun

This is a very important pattern in Polish:

• nominative feminine singular often ends in -a
• accusative feminine singular often changes to -ę

A drożdżówka is a Polish sweet pastry made from yeast dough. Depending on the type, it may be filled or topped with things like cheese, fruit, poppy seeds, or crumble.

There is no perfect one-word English equivalent. Depending on context, it might be translated as:

• sweet bun
• yeast pastry
• sweet roll

So it is best to think of drożdżówka as a specifically Polish bakery item rather than one exact English food word.

Because it adds specific information: they eat one pastry together.

That suggests they are sharing a single pastry, not that each person has their own.

Without jedną, the sentence would simply mean they eat a drożdżówka / some pastry, but with jedną the image is more precise.

So this part strongly supports the idea that they are sharing one item.

Razem means together.

In this sentence it emphasizes that the action is done jointly:

• jemy jedną drożdżówkę razem = we eat one sweet bun together

Because the sentence already says we, razem is not strictly necessary for grammar, but it adds emphasis and makes the shared action clearer.

Here it especially fits because one pastry is being shared.

Not completely. Polish word order is more flexible than English word order.

The version you have is a natural, neutral way to say it:

Kiedy wracamy z lodziarni, często siadamy na ławce i jemy jedną drożdżówkę razem.

You can move some parts around for emphasis, for example często or razem, but the meaning may become slightly more marked or stylistically different.

So for a learner, the best approach is:

• understand that Polish word order is flexible
• treat this version as a normal, natural model sentence

Because Kiedy wracamy z lodziarni is a subordinate clause, and in Polish subordinate clauses are separated by a comma.

So the structure is:

• Kiedy wracamy z lodziarni, = subordinate time clause
• często siadamy na ławce i jemy jedną drożdżówkę razem. = main clause

This comma is required in standard Polish spelling.