The topping! A streusel topping is generally made with flour, oats, sugar, etc., and is more crumbly. (My u003ca href=u0022https://www.thespeckledpalate.com/apple-buddy/u0022u003eApple Crumbleu003c/au003e recipe has an awesome streusel topping.)u003cbr/u003eu003cbr/u003eA cobbler’s topping is closer to that of a biscuit. A thicker dough is dropped onto the fruit before baking.u003cbr/u003eBoth, obviously, are delicious!