Preheat the oven to 350°F (175°C)
Grease and line two 8-inch cake pans
Whisk together flour, baking powder, and salt
Beat butter and sugar until light and fluffy
Add eggs one at a time, mixing well after each
Mix in vanilla extract
Add dry ingredients and milk alternately, beginning and ending with dry ingredients
Mix until just combined
Divide the batter evenly between the pans
Bake for 25 to 30 minutes
Check doneness with a toothpick
Cool in the pans for 10 minutes
Remove from pans and cool completely on a wire rack
Frost as desired