Susan baked Steve and Tim a fresh apple pie?

This is a grammatically correct sentence, but it's missing a little something to make it complete! Here's a suggestion:

Susan baked Steve and Tim a fresh apple pie.

You could also add a verb to describe what happened to the pie, like:

* Susan baked Steve and Tim a fresh apple pie, and they ate it all in one sitting.

* Susan baked Steve and Tim a fresh apple pie, hoping it would cheer them up.

Let me know if you'd like more options!