1. Preheat the oven to 350F. 2. Combine the flour, baking powder, and salt in a medium bowl and stir to mix. Set aside. 3.Combine the butter and sugar in a large bowl. Beat with an electric mixer on high speed until you have light crumbs of butter and sugar. 4. Add the eggs and vanilla to the butter mixture and continue to beat until everything is well combined. 5. Slowly add the flour mixture to the egg mixture and mix thoroughly. 6. Add the milk and mix until blended. 7. Spoon the batter into the cups, filling them two-thirds full. 8. Place the cups on a baking sheet and bake for 15 to 20 minutes, or until a butter knife or toothpick inserted into the cupcake comes out clean. 9. Let the cupcakes cool for 20 minutes. Then gently peel back the cups to release the cupcakes so you can bake your next batch.