Measure and prep all ingredients.
Make the lavender syrup. In a small pot, add water and dried lavender. Bring to a boil then lower the heat and simmer for 4 minutes.
Turn off the heat and allow it to cool completely. Strain off the lavender and reserve the water.
In a small pot, mix the sugar and the reserved lavender water (around 1/4 cup) together. Bring to a boil, then lower the heat and simmer for 4 minutes. If the sugar has not dissolved, bring it back to a boil, put the lid on and boil without stirring for 1 minute.
Take off the heat, add the vanilla extract and salt and whisk together throughly. Let cool before using.
Make the lavender latte. In a mug, mix the espresso and lavender syrup together.
Pour freshly steamed milk on top.
Garnish with extra lavender if desired. Enjoy hot.