Boston Cream Pie in a Glass

Found on Supercocktail.com (I haven't tried this one yet - so I assume you really need to shake hard to combine the cocoa so it won't clump- otherwise maybe that is only for the rim - it isn't written that way though!)

• Ready In: 3 mins
• Serves: 1

Ingredients

• 1 1⁄2 ounces vanilla vodka
• 1 1⁄2 ounces  chocolate liqueur
• 1 1⁄2 ounces irish cream
• 1 1⁄2 ounces cocoa powder

Directions

1. Add all ingredients to a cocktail shaker half-filled with ice cubes, in equal parts.
2. Shake vigorously.
3. Pour into a margarita or large martini glass with a cocoa dipped rim, and serve.