1. 1. Preheat your oven to 350°F and line a baking sheet with parchment paper.

2. 2. In a large bowl, cream together the softened butter, peanut butter, granulated sugar, and brown sugar until the mixture is smooth and creamy.

3. 3. Beat in the egg and vanilla extract until fully incorporated.

4. 4. In a separate bowl, whisk together the flour, salt, and baking soda. Gradually add the dry ingredients to the wet ingredients, mixing until just combined.

5. 5. Fold in the milk chocolate chips, ensuring they are evenly distributed throughout the dough.

6. 6. Roll the dough into 1-inch balls and place them on the prepared baking sheet, spacing them about 2 inches apart.

7. 7. Bake the cookies for 10-12 minutes, or until the edges are lightly golden.

8. 8. Remove the cookies from the oven and let them cool on the baking sheet for 2 minutes.

9. 9. While the cookies are still warm, roll them in the powdered sugar, coating them evenly.

10. 10. Transfer the coated cookies to a wire rack to cool completely before serving.