Linzer Cookies with Buttermilk Ganache are classic sandwich cookies with a twist. These buttery cookies are made with ground almonds and flavored with vanilla and lemon zest. They are filled with a creamy buttermilk ganache and topped with a dusting of powdered sugar. The combination of the rich cookies and tangy ganache creates a delicious and indulgent treat. These cookies are perfect for special occasions or as a homemade gift.