Pastry dish (3)
'pastry dish' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for pie that I've seen before include "Pastry-covered dish" , "Fruit or meat dish" , "Covered tart" , "welcome luxury" , "In the sky, this dish is impractical" .)
(Other definitions for strudel that I've seen before include "Fruit-filled pastry from Austria" , "Baked dish" , "A German baked pastry" , "German pastry dish" , "Rolled pastry dessert" .)
(Other definitions for pork pie that I've seen before include "material from Tamworth, say, processed in case" , "that can be eaten!" , "Untruth - hat - meaty snack" , "Food item" , "A fib, some say" .)