Try this delicious recipe for Kahlua!
4 c sugar
1 vanilla bean, split in half lengthwise
1 2-oz jar instant Yuban Coffee
1 fifth 80 proof vodka
4 c water
Mix 3 cups water and sugar in saucepan. Bring to a boil; reduce heat. Simmer for 20 minutes; remove from heat. Add vanilla bean halves; let stand until cold. Mix 1 cup boiling water with coffee and vodka. Place all ingredients in 1/2 gallon container; cover well. Let stand for 2 weeks. Remove vanilla bean halves. Pour into decanters to serve.