Easy Vanilla Muffins

0 In a large mixing bowl mix the butter and sugar with an electric mixer until combined.
1 Add eggs, one at a time, mixing well in between each.
2 Add the vanilla extract and sour cream. Mix well.
3 Add the milk and mix until the milk is incorporated.
4 Add the flour in 3 increments, incorporating the flour before adding the next one.
5 Add the baking powder, baking soda, and salt with the last batch of flour.
6 Cover the bowl with plastic wrap. Set aside for 30 minutes.
7 Preheat the oven to 425 degrees F.
8 Line a cupcake pan with liners.
9 Using a large cookie scoop (3 tablespoons) fill the cupcake to ¾ full.
10 Cook in the preheated oven for 5 minutes at 425 degrees F.
11 Reduce the heat to 350 degrees F and cook for an additional 9 to 11 minutes or until a toothpick comes out clean when inserted in the middle. The temperature in the center will be 190° - 200℉ when an instant-read thermometer is inserted in the middle.
12 Cool off in the pan for 2 to 3 minutes.
13 Transfer to a cooling rack and cool completely.