Brownie cut problem

Geometry Level 1

After letting my large rectangular brownie cool, I found someone had cut a smaller rectangular piece out of the middle. What's worse, they didn't bother to cut it parallel to the sides of the pan!

Is it possible to use a single straight cut to split the remaining brownie into two pieces of equal areas?

Note: The cut can pass through the already cut portion but must be done only from above.

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