1-First Step: Make the Raspberry Syrup* Gather ingredients and equipment: 12 ounces raspberries, 1/4 cup sugar, a medium saucepan, a strainer, and a bowl or jar for cooling.* Combine raspberries and sugar in the medium saucepan over medium heat.* Bring to a gentle simmer, stirring occasionally. Simmer for about 3 to 5 minutes until the berries break down and the sugar dissolves into a syrup.* Remove from the heat and pour the mixture through a fine-mesh strainer into a bowl. Use the back of a spoon to press the solids and extract as much syrup as possible. Discard the seeds and pulp or save them for a smoothie.* Refrigerate the strained syrup until cool. After cooling, stir in 2 tablespoons raspberry liqueur to boost flavor and shelf stability. This yields the 2 ounces per cocktail called for below.

2-Second Step: Chill and Prep Glasses* Place your cocktail glasses in the freezer for at least 5 minutes before serving. Cold glass keeps the drink from warming while you sip.* Pour a little white chocolate liqueur onto a small plate and place cake decorating sugars on another plate.* Rub the rim of each chilled glass with white chocolate liqueur and dip into colored cake decorating sugars to create a pretty rim.

3-Third Step: Mix the Cocktail* Fill a cocktail shaker about two-thirds full with ice.* Add 3 ounces half and half, 1 ounce white chocolate liqueur, 2 ounces vodka, and 2 ounces raspberry syrup (from your prepared batch).* Shake vigorously for 12 to 20 seconds until the shaker exterior feels well chilled. The ice chills and slightly dilutes the drink, creating a smooth texture.* If the mixture curdles slightly, pulse the chilled mixture for a few seconds in a blender to re-emulsify. This brings the drink back to a silky texture.

4-Fourth Step: Strain and Serve* Remove the chilled glasses from the freezer.* Using a Hawthorne or fine-mesh strainer, pour the shaken cocktail into the prepared glasses. The fine strain keeps small ice chips and any pulp out of the drink.* Garnish with extra raspberries or a light dusting of colored sugar on top, if desired.* Serve immediately so the cocktail remains silky and cold.