Heat milk, steep lavender 15 mins, strain, cool.
Preheat oven 350°F, line cupcake pan.
Cream butter + sugar until fluffy.
Add honey + eggs, mix vanilla.
Alternate flour + lavender milk.
Fill liners ¾, bake 18–20 mins.
Cool 5 mins in pan, then wire rack.
Beat butter, add sugar, honey, cream.
Pipe frosting onto cooled cupcakes.