While the mixer is still mixing on medium speed, add your brown and granulated sugar. Continue to mix until well blended.
Add the eggs, and then the peanut butter, and continue to mix until well blended.
Add the flour, baking powder, and salt and continue to mix on a low speed until all ingredients are well combined.
Make 1 1/2 inch peanut butter dough balls, and place them on a cookie sheet lined with parchment paper.
Place in the preheated oven for 9 minutes.
Enjoy for Eggie Peanut Butter Cookies!