Vanilla Products USA 10 Tahitian Near Gourmet Grade A/B Vanilla Beans PNG 4~5″
You can add this right to your homebrew or soak them in alcohol to make an extract and add that to your homebrew.
9/22/21 1 AM Central: These are selling for just $9.97. That’s the best historical third party Amazon price I found, notwithstanding Lighting Deals or coupons. Shipping is also free to many US addresses with Prime Membership [Try Prime for Free] or a qualifying order. Prices and availability can change quickly. Check product page for current info – More About Prices
Vanilla Products USA 10 Tahitian Near Gourmet Grade A/B Vanilla Beans PNG 4~5″ – note that multiple variations of this product may be available, as such a different version may appear at this link