Preheat your oven to 350°F (175°C). Line two baking sheets with parchment paper.

In a large bowl, cream together the softened butter, granulated sugar, and brown sugar until light and fluffy.

Mix in the peanut butter until fully combined, then beat in the eggs one at a time.

In a separate bowl, whisk together the flour, baking soda, and salt.

Gradually add the dry ingredients to the wet ingredients, mixing until just combined.

Using a cookie scoop or tablespoon, drop rounded balls of dough onto the prepared baking sheets, spacing them about 2 inches apart.

Press a mini peanut butter cup into the center of each cookie dough ball.

Bake in the preheated oven for 10-12 minutes, or until the edges are lightly golden.

Remove from the oven and let cool on the baking sheets for 5 minutes before transferring to a wire rack to cool completely.