In the bowl of your electric mixer cream butter and sugar together until light and fluffy. Mix in your flour, salt, and baking soda until combined.
In a separate bowl whisk your eggs together with the buttermilk, lemon juice, lemon zest and vanilla extract.
Slowly mix the wet ingredients the dry until batter is combined (a few small lumps are ok!)
Flour and grease 2 8-inch cake pans, divide batter equally into each.
Bake for about 30 minutes or until a toothpick is inserted and comes out clean.
Allow cakes to cool completely before frosting.
To prepare your frosting, in the bowl of your electric mixer cream butter, lemon zest, vanilla, fresh berries (they mash as you mix) together with your confectioners sugar. Once smooth, turn mixer to medium speed, and slowly add in your whipping cream until the frosting is light and fluffy. Frost cooled cakes as desired.
Top cake with fresh berries, freshly grated lemon peel, and fresh mint.