streusel
/ˈstruːzəl/noun
1- a crumbly topping or filling made from fat, flour, sugar, and often cinnamon（用油、糖、面粉, 有时加桂皮制成供撒在糕饼上的）顶部碎末配料（或用此法制成的馅）。
1.1
- a cake or pastry with such a topping撒有顶部碎末配料的点心。
词源
from German Streusel, from streuen 'sprinkle'.