01 - Combine milk and dried lavender in small saucepan. Heat gently over low heat until steaming, about 2 minutes. Do not boil. Remove from heat and let steep for 5 minutes.
02 - Pour mixture through fine-mesh strainer to remove lavender buds. Allow infused milk to cool slightly before proceeding.
03 - Whisk powdered sugar with 2.5 to 3 tablespoons lavender-infused milk in mixing bowl. Add lemon juice if using. Continue whisking until completely smooth and pourable consistency is achieved.
04 - Add small amounts of remaining infused milk to thin glaze or additional powdered sugar to thicken as needed for desired drizzling texture.
05 - Drizzle or spread glaze evenly over cooled baked goods. Allow to set at room temperature for minimum 10 minutes before serving.