3 poppy seed cookies icing Recipes

butter, softened, granulated sugar, egg, freshly grated lemon zest, flour, baking soda, salt, poppy seed, powdered sugar, fresh lemon juice

unsalted butter, at room temperature, granulated sugar, egg yolks, vanilla extract, grated lemon rind (about 2 lemons), poppy seeds, sour cream, all-purpose flour, baking powder, baking soda, salt, icing, sugar, butter, at room temperature, freshly squeezed lemon juice (1/2 lemon)