Step 1

In a large mixing bowl, cream together butter and granulated sugar.

Step 2

Mix in eggs and vanilla until combined.

Step 3

Add salt, baking powder and flour. Mix until well combined

Step 4

Cover and chill for at least one hour in the refrigerator.

Step 5

Preheat oven to 350 degrees F.

Step 6

Line a baking sheet with parchment paper or a silicone baking mat.

Step 7

Roll dough into 1-inch balls and flatten using a glass until 1/2 inch thick.

Step 8

Bake for 9-10 minutes, or until barely beginning to turn golden brown.

Step 9

Let cookies cool completely.

Step 10

In a large mixing bow, cream together all frosting ingredients until smooth.

Step 11

Frost cookies and top with sprinkles.

Step 12

Store in an airtight container.