A heterogenous mixture means you can see all the components. So the actual ingredients in making the cookie dough are a homogeneous mixture but...the final product (The cookie) yes would be a heterogeneous mixture.
Heterogeneous mixture.
Heterogeneous mixture.
homogeneous
Nope the fact that it is mixed with chocolate chips in the batter makes it a heterogeneous.
Heterogeneous mixture.
Chocolate milk is a heterogeneous mixture.
pudding is heterogeneous
Homogeneous.
heterogenous mixture
This is a heterogeneous mixture.
mixture Even chocolate is (usually) a mixture
Chocolate syrup is a homogeneous mixture. It has the same composition throughout, and you cannot distinguish any of the components individually.Added:Though looking a homogeneous mixture, chocolate syrup is heterogeneous by (colloidal) coco-particles and (emulsified) tiny oil-droplets.(It's all viewable in its microscopic structure, on molecular scale it is inhomogeneous).