What goes into grandpa's tagliatelle? (5)

I believe the answer is:

pasta

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'what goes' is the definition.
I can't judge whether this definition defines the answer.

'into grandpa's tagliatelle?' is the wordplay.
'into' indicates the answer is hidden within the clue.
'PASTA' can be found hidden inside 'grandpas tagliatelle'.

Can you help me to learn more?

(Other definitions for pasta that I've seen before include "shells, perhaps" , "eg Tortellini" , "Shaped and dried dough" , "Flour and water foodstuff" , "Italian foodstuff" .)

I've seen this clue in The Telegraph.

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