Shade some cells in the grid such that 1. groups of shaded cells form rectangles (like a chocolate bar!) and 2. groups of unshaded cells do not form rectangles (like a banana?). A number indicates the size of the shaded or unshaded group it is part of, although a group of cells may have more than one number shown or none at all.
Click here to solve online. Answer-checking is built in. Note that you are able to mark unshaded cells to help you solve!
Click here to see the full puzzle answer.
Here is an example of a smaller puzzle with the same rules and a step-by-step solution:
