Preheat oven to 350.

Cream butter, sugar, and eggs together until fluffy. Add vanilla and scraped vanilla beans. Make sure vanilla is mixed into batter.

Combine dry ingredients in a bowl. Add half of the dry ingredients, mixing until just combined. Add the milk. Once mixed, add remaining dry ingredients.

Pour into cupcake tins and bake for 20-25 mins at 350. Let cool, then frost.

Mix butter and powdered sugar together, adding sugar gradually to the mix. Add milk gradually, vanilla and vanilla beans. Continue to add milk and sugar until it reaches the desired consistency.