Op de bakplaat liggen stukjes courgette, broccoli en bloemkool.

Dutch often puts the place or time first in a sentence to set the scene. That is very natural.

So:

• Op de bakplaat = the location
• liggen = the verb
• stukjes courgette, broccoli en bloemkool = the subject

If you want a more English-like order, you can also say:

Stukjes courgette, broccoli en bloemkool liggen op de bakplaat.

Both are correct, but the original version emphasizes where the vegetables are.

This is because Dutch main clauses usually follow the V2 rule: the finite verb must be in the second position.

In this sentence:

1. Op de bakplaat
2. liggen
3. stukjes courgette, broccoli en bloemkool

Since the location phrase is in first position, the verb has to come next. After that comes the subject.

Dutch often uses a position verb where English would simply use to be.

Here, liggen is used because the pieces are lying on a horizontal surface.

Very roughly:

• liggen = to lie / to be lying
• staan = to stand / to be standing
• zitten = to sit / to be located in or attached in some way

Food or objects resting on a tray, table, or floor often liggen in Dutch.

So Dutch prefers:

• Op de bakplaat liggen ...

rather than a basic zijn sentence.

Because the subject is plural.

The head of the subject is stukjes:

• stukje = little piece
• stukjes = little pieces

Since stukjes is plural, the verb must also be plural:

• singular: ligt
• plural: liggen

So:

• Een stukje courgette ligt op de bakplaat.
• Stukjes courgette liggen op de bakplaat.

Stukjes means small pieces or little chunks.

It comes from:

• stuk = piece
• stukje = little piece
• stukjes = little pieces

The ending -je is a very common Dutch diminutive ending. It often makes a word sound smaller, cuter, or more informal. In cooking, stukjes is extremely common for chopped food.

Dutch often leaves out van in combinations like this.

So Dutch prefers:

• stukjes courgette
• een glas water
• een kom soep

rather than always using van.

You can say stukjes van courgette, but that is less neutral here. In a simple cooking description, stukjes courgette is the most natural form.

Because after stukjes, the vegetable names function more like ingredient names or material words.

So Dutch naturally says:

• stukjes courgette
• stukjes broccoli
• stukjes bloemkool

rather than:

• stukjes van de courgette
• stukjes van de broccoli
• stukjes van de bloemkool

If you were talking about the whole vegetables individually, you would normally use articles:

• de courgette
• de broccoli
• de bloemkool

But in a cooking context, after stukjes, the article is usually omitted.

In this sentence, it is most naturally understood as applying to all three:

• pieces of zucchini
• pieces of broccoli
• pieces of cauliflower

Dutch often avoids repeating the same word in a list. So this is basically a shortened version of something like:

stukjes courgette, stukjes broccoli en stukjes bloemkool

The shorter version sounds more natural and less repetitive.

Bakplaat means baking tray, oven tray, or baking sheet, depending on context.

It is a compound word:

• bakken = to bake
• plaat = plate / flat sheet

The word is de bakplaat because the main part of the compound is plaat, and plaat is a de-word. In Dutch compounds, the article usually follows the last/main part of the word.

So:

• de plaat
• de bakplaat

Yes, that is also correct.

Using er gives you a sentence like there are in English:

• Er liggen stukjes courgette, broccoli en bloemkool op de bakplaat.

This version focuses a bit more on the existence/presence of the vegetables. The original sentence, starting with Op de bakplaat, focuses more on the location first.

Both are natural; they just have a slightly different emphasis.