Preparation Steps

• Preheat the oven to 350°F (175°C) and line a baking sheet with parchment paper.
• In a large bowl, cream together the butter, brown sugar, and granulated sugar until light and fluffy.
• Add in eggs one at a time, mixing well after each addition, followed by the vanilla extract.
• In another bowl, whisk together flour, baking soda, and salt.
• Gradually mix the dry ingredients into the wet mixture until just combined.
• Fold in the mini marshmallows.
• Drop spoonfuls of dough onto the prepared baking sheet, spacing them about 2 inches apart.
• Bake for 8-10 minutes or until the edges are lightly golden and the centers are set.
• Allow to cool on the baking sheet for 5 minutes before transferring to a wire rack to cool completely.