Homemade coffee liqueur recipe

4 c Sugar
1/2 c Instant coffee
3 c ;Water
1/4 ts Salt
1 1/2 c Vodka, high-proof
3 tb Vanilla
Combine sugar and water; boil till sugar dissolves. Reduce heat to simmer & simmer 1 hour. LET COOL. Stir in vodka & vanilla. Pour up.