Four websites listed the first one as the recipe for a Werthers.
http://www.thevirtualbar.com/cgi-bin/dspdrink?RecNo=3059
Werthers
3/4 Oz. Irish Cream
3/4 Oz. Butterscotch Schnapps
3/4 Oz. Crown Royal Bourbon
Shake with ice and strain into a cocktail glass.
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Only one web site listed this recipe for a Werthers.
http://cocktails.about.com/library/recipes/blwerthers.htm
Werthers
1 oz Absolut
1 oz Kaluha
1 oz Bailey's
1 oz Creme de Cacao
1 oz Buttershots (or butterscotch schnapps)
2 oz half-n-half cream
Shake with ice and serve.