1One hour before serving, place 2 martini glasses in refrigerator. In small bowl, pour vodka over 1/4 cup jelly beans. Cover; refrigerate.
2At serving time, fill martini shaker with ice. Shake bowl with cold vodka and jelly beans. Strain vodka into shaker; discard jelly beans. Add liqueur; shake well. Strain into 2 chilled martini glasses. To garnish, add 3 jelly beans to bottom of each glass. Garnish each with lemon slice. Serve immediately.