Add the freeze dried strawberries into the bowl on a food processor or blender. Process until the berries turn into a fine powder.
1 ½ Cups Freeze Dried Strawberries
Into the bowl of a stand mixer fitted with the paddle attachment, add the vegan butter. Cream the butter until soft, scraping down the sides of the bowl regularly.
2 Sticks Vegan Butter
Add the sifted powdered sugar and the processed strawberry powder into the bowl. Mix on low until combined. Scrape the bowl down.
3 ½ Cups Confectioners Sugar, sifted
Turn the speed up to medium and slowly stream in the vanilla and lemon juice.
1 teaspoon Vanilla, 1 ½ teaspoon Lemon Juice
Now allow to mix until light and fluffy, about one minute. If you want you buttercream to be softer, add a bit of the optional non-dairy milk here until the desired consistency is reached.
1-3 teaspoon Non-Dairy Milk
Use as desired.