for the cookies:
1 stick unsalted butter
7 ounces plain Greek yogurt (I like Fage 2%)
1/2 cup Meyer lemon juice
zest from 1 Meyer lemon
2 & 1/2 cups unbleached, all-purpose flour
1 teaspoon baking soda
1 teaspoon kosher salt
1 cup sugar

for the frosting:
1 stick salted butter, room temperature
8 ounce package cream cheese, room temperature
1 lb. box powdered sugar
zest of 1 Meyer lemon
2 TBSP Meyer lemon juice