Learn Finnish: Uunissa paistettu kuori on usein todella rapea. - A crust baked in the oven is often really crispy.

In Finnish, participle phrases acting as adjectives (like uunissa paistettu, meaning 'baked in the oven') are placed directly before the noun they modify. It literally translates to 'the in-the-oven baked crust.' This is a very common structure at the B2 level to compress relative clauses like 'which was baked in the oven'.

Is paistettu acting as a passive verb here?

Morphologically it is the past passive participle of paistaa (to bake or fry), but here it functions entirely as an adjective modifying kuori. Rather than expressing the action of baking, it describes a characteristic of the crust.

Does kuori always mean 'crust'?

No, kuori is a very versatile word for almost any outer layer. Depending on the context, it can mean 'shell' (like an eggshell), 'peel' (like an apple peel), 'bark' (of a tree), or even a postal envelope. In a baking and bread context, it translates naturally to 'crust.'

How would I apply this lesson's state-change verbs to describe what happens to the crust?

This sentence describes a static state with on (is). If you wanted to describe a physical change of state using the current lesson's illative adverbs, you could say kuori menee rikki (the crust breaks) or kuori menee pilalle (the crust gets ruined). However, to say it simply 'becomes crispy', you would use the translative case instead of an illative adverb: kuori tulee rapeaksi.