01 - Combine milk and lavender buds in a medium saucepan. Heat over medium heat until just simmering. Remove from heat, cover, and let steep for 15 minutes to extract floral flavors.
02 - Pour milk through a fine mesh sieve to remove lavender buds, pressing gently to maximize flavor extraction. Return infused milk to the saucepan.
03 - Whisk egg yolks and sugar in a separate bowl until pale yellow and slightly thickened, creating a smooth ribbon consistency.
04 - Slowly drizzle warm lavender milk into egg yolk mixture while whisking continuously to prevent curdling and gradually raise temperature.
05 - Return mixture to saucepan. Cook over low heat, stirring constantly with wooden spoon until custard thickens and coats spoon back (170°F). Avoid boiling to prevent separation.
06 - Remove from heat immediately. Stir in heavy cream and vanilla extract until fully incorporated. Add food coloring drop if using for visual appeal.
07 - Pour custard through fine sieve into clean bowl. Cool to room temperature, cover, and refrigerate minimum 4 hours or overnight for flavors to meld.
08 - Process chilled custard in ice cream maker according to manufacturer instructions. Transfer to lidded container and freeze until firm, approximately 2-4 hours.
09 - Scoop into serving bowls. Garnish with additional lavender buds or edible flowers if desired for elegant presentation.