Lavender Whoopie Pies with Vanilla Bean Frosting

INGREDIENTS

1/2 cup

plain greek yogurt ((I used Chobani 2%))

1/4 cup

milk

4 tsp

dried lavender flowers

1 tsp

vanilla extract

2 1/4 cups

all-purpose flour

1 1/4 tsp

baking powder

1/4 tsp

baking soda

1/2 tsp

salt

1/4 cup

butter (, softened)

1/4 cup

vegetable oil

1 cup

granulated sugar

large eggs

Red and blue or purple food coloring (, optional)

1 cup

butter (, softened (preferably 1/2 cup salted butter, 1/2 cup unsalted))

seeds of 1 vanilla bean I sell them!

3 cups

powdered sugar

1 tsp

vanilla extract

2 tbsp

milk

2 tbsp

heavy cream