sticky bun
US /ˈstɪk.i ˌbʌn/
UK /ˈstɪk.i ˌbʌn/

1.
a sweet roll or bun, typically made with yeast dough, cinnamon, and nuts, and often topped with a sticky glaze or caramel sauce
:
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She enjoyed a warm sticky bun with her morning coffee.
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The bakery is famous for its delicious sticky buns.