Preheat the oven to 350°F (175°C) and line two baking sheets with parchment paper.

In a large mixing bowl, sift together all-purpose flour, baking soda, and salt.

In a separate bowl, whisk melted butter, brown sugar, and granulated sugar until smooth. Mix in peanut butter, vanilla extract, and eggs.

Gradually add the dry mixture to the wet ingredients, stirring gently. Fold in mini chocolate chips, peanut butter chips, and chopped mini Reese's.

Let the dough rest for about 10 minutes.

Using a cookie scoop, portion the dough onto baking sheets, spacing them about 2 inches apart.

Bake in the preheated oven for 13-15 minutes until lightly golden around the edges.

Allow cookies to cool on baking sheets for 5 minutes before transferring to a wire rack.