Spoonforkbacon.com features an amazing DIY gift idea with homemade extracts! She featured recipes for five different kinds: lemon, grapefruit, vanilla, cinnamon, and orange. You can make all five, or pick you favorite and go with it. Extracts are really easy to make, the only thing you really need to give it is time, these extracts take about two weeks to make.
Click the link to get the instructions: