Preheat the oven to 350 degrees.
Grease and flour two 9×2 inch round pans.
In a medium bowl, whisk the flour, baking powder, baking soda, salt, and zest for 30 seconds. Set aside.
In a large measuring cup, combine the buttermilk, oil, lemon extract and lemon juice. Set aside.
In the bowl of your stand mixer, add the butter and mix at medium speed until smooth.
Gradually add the sugar and continue to mix on medium speed for 3 to 5 minutes until lightened in color and fluffy.
Add the eggs one at a time mixing until the yellow of the yolk is incorporated.
Alternately add the flour mixture and buttermilk mixture, beginning and ending with the dry ingredients (3 additions of dry ingredients and 2 of liquid).
Do not overmix the batter and keep the mixer speed set to 1 or 2.
Divide batter between the two prepared 9 inch cake pans.
Bake for 20-24 minutes or until a toothpick inserted in the center comes out clean or with just few crumbs attached.
Place the cakes on a wire rack to cool for 10 minutes.
Turn cakes out onto a wire rack to continue cooling.