How to make the Vanilla Royale via Common Man Cocktails

This has some really great qualities to it, but it's very strong! Drink at your own risk!

Recipe
1 1/2 oz. Crown Royale (or Canadian Whiskey)
1 oz. Dr. McGillicuddy's Vanilla Schnapps
1/2 oz. Amaretto
3 Dashes Bitters (Aromatic)