Boston cream pie
US /ˈbɑː.stən kriːm paɪ/
UK /ˈbɑː.stən kriːm paɪ/

1.
a cake consisting of two layers of sponge cake filled with a creamy custard or pastry cream and topped with chocolate glaze or ganache
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For dessert, we had a slice of delicious Boston cream pie.
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The bakery is famous for its classic Boston cream pie.