Preheat oven to 350°F (175°C). Line a baking sheet with parchment paper.
In a large bowl, beat butter, brown sugar, and granulated sugar until creamy. Add eggs and vanilla, mixing well.
In another bowl, whisk flour, baking soda, baking powder, and salt. Gradually add dry ingredients to wet ingredients until combined.
Stir in chocolate chips.
Scoop about 1 1/2 tablespoons of dough and flatten it. Place an Oreo in the center, then top with another flattened scoop of dough. Seal edges completely around the Oreo.
Arrange stuffed cookies on prepared baking sheet, leaving space between them.
Bake for 12–15 minutes, until edges are golden but centers are still soft.
Cool on baking sheet for 5 minutes before transferring to a wire rack.