Updated February 3, 2021
https://sugarspunrun.com/make-your-own-vanilla-extract/
You can buy a bunch of vanilla beans on Amazon for $11 or $1.1o each.
<script type="text/javascript">amzn_assoc_tracking_id = "bevverly-20";
amzn_assoc_ad_mode = "manual";
amzn_assoc_ad_type = "smart";
amzn_assoc_marketplace = "amazon";
amzn_assoc_region = "US";
amzn_assoc_design = "enhanced_links";
amzn_assoc_asins = "B07TBBS51M";
amzn_assoc_placement = "adunit";
amzn_assoc_linkid = "3220743e3f18193d0f7fd7137dcb7e0c";
</script>
<script src="//z-na.amazon-adsystem.com/widgets/onejs?MarketPlace=US"></script>