Preheat oven to 350°F. Spray a 10-cup bundt cake pan with a nonstick baking spray and set aside.
In a medium bowl, whisk together the flour, lemon zest, salt, baking powder, and baking soda.
2½ cups all-purpose flour, 1 teaspoon kosher salt, ½ teaspoon baking powder, ½ teaspoon baking soda, 1 tablespoon lemon zest
In another bowl, cream together the butter and sugar until light and fluffy. Add in the eggs, one at a time, to the mixture and beat well between each addition.
1 cup unsalted butter, 1½ cups granulated sugar, 3 large eggs
Beat in the lemon juice and lemon extract.
2 tablespoons lemon juice, 1 teaspoon lemon extract
Pour in half of the flour mixture and alternation with the buttermilk; mixing well between each addition and just until combined.
1 cup buttermilk
Pour the batter into the prepared pan.
Bake for 45 minutes, or until a toothpick comes out clean. Cool in the pan for 10 minutes and then remove to a cooling rack to cool completely.
In a small saucepan, combine the white chocolate chips and sweetened condensed milk. Set the pot over medium heat and continuously stir until the chips are melted.
1 cup white chocolate chips, 14 ounces sweetened condensed milk
Remove from heat and stir in the lemon juice and zest.
1 tablespoon lemon zest, 1 teaspoon lemon juice
Spoon the glaze over the cake. For a little extra decoration and lemon pop, zest a lemon over the cake after being glazed.