Homemade Kahlua Ingredients: 2 1/2 cups Sugar 1 cup Corn syrup 1 1/2 oz instant Coffee 2 oz Vanilla 3 cups boiling Water 1 fifth Vodka Mixing instructions: Dissolve sugar in 2 cups of boiling water and add corn syrup. Dissolve the instant coffee in the remaining water. Pour syrup and coffee in a gallon jug. Let it cool. Add vodka and vanilla when cold. For the best result, let the mixture "mature" for 4-5 weeks.