Preheat your oven to 325 degrees and generously grease a large bundt pan.
Mix together the sugar and the lemon zest in the bowl of an electric mixer with the paddle attachment until fragrant and well combined. Add the softened butter and continue to beat until fluffy. Stir in the eggs one at a time.
Shift together the flour, baking powder, soda, and salt in a separate bowl. Stir into your wet ingredients along with the milk, lemon juice, and lemon extract.
Pour into your prepared pan and bake 1 hour or until a toothpick comes out clean.