Can I taste this bread?
'Assaggiare' — stress on 'as-sag-GIÀ-re'. Four syllables. The 'ggi' creates a soft 'j' sound.
Ask before buying an unfamiliar bread type. Italian bakeries are usually happy to give small samples — it shows confidence in their product.
'Posso assaggiare?' = 'May I taste?' — one of the most useful phrases in any Italian food shop. Tasting before buying is completely normal and even encouraged at good bakeries and markets.
Posso avere un assaggio?
Can I have a little taste?
'Un assaggio' = a little taste — more emphatic
Mi fa assaggiare questo?
Can you let me taste this?
Slightly more casual, implies the baker will cut a piece
Com'è questo pane?
What is this bread like?
Indirect way to invite a tasting — the baker may offer you a piece
The willingness of Italian food producers to offer tastings reflects a deep confidence in their products and a culture of quality. 'Se non è buono, non te lo faccio pagare' (if it's not good, I won't charge you for it) is an attitude common among artisan producers who are proud of what they make.