Two Cups Flour

1 In a food processor combine the 2 Tbsp of Granulated Sugar with the 2 tsp of dried Lavender buds. Pulse until a fine powder is formed. Set aside.
2 Place softened butter, salt, and vanilla in bowl of stand mixer.
3 With whisk attachment, beat the butter until light and fluffy.
4 Add 1 Tbsp of blueberry juice and the lavender sugar mixture.
5 Add Powdered Sugar a half cup at a time while whipping at medium speed.
6 Continue to add powdered sugar.
7 Pour small amounts of berry juice mixing slowly to create the desired shade of purple. 
8 Buttercream should be thick yet easy to spread. If its to thin add more powdered sugar. Too thick, add more berry juice!