Homemade vanilla extract! What could be better and cheaper! I use Madagascar vanilla beans.
For superior extract, always use high-quality vanilla beans like Madagascar Bourbon or Tahitian. Splitting the beans lengthwise significantly increases surface area, allowing for better flavor extraction. While vodka is the standard neutral spirit, experimenting with other clear, high-proof alcohols like rum or bourbon can introduce nuanced flavor profiles. Ensure the bottle is sealed tightly and stored in a cool, dark environment to prevent degradation of the vanilla compounds. Regular agitation (shaking weekly) aids in consistent flavor development. Patience is key; while 3 weeks is a minimum, a 6-month steep yields a much richer, more complex extract. Remember to replenish the vodka as you use the extract to maintain the continuous infusion process.