Honey and Lavender Cupcakes

2/3 cup sugar
½ teaspoon dried lavender flowers*
1 1/2 sticks unsalted butter
3 tablespoons honey
2 eggs
1 teaspoon vanilla extract
zest of one lemon
1 ½ cups plain flour
1 teaspoon baking powder
Honey, Lemon and Cream Cheese frosting

1 1/2 box (250 g) of cream cheese, softened
1 1/2 cup icing sugar
2 tablespoons honey
Juice of 1/2 lemon (or about 1 teaspoon)
1 teaspoon vanilla extract
Purple food coloring (optional)