01 -
Set oven to 175°C to ensure consistent baking temperature throughout.
02 -
Line a baking sheet with parchment paper for easy release and even baking.
03 -
In a large mixing bowl, beat softened unsalted butter, brown sugar, and granulated sugar with a hand or stand mixer for 2–3 minutes until light and fluffy.
04 -
Add eggs and vanilla extract to the creamed mixture and blend until smooth and fully combined.
05 -
In a separate bowl, whisk together all-purpose flour, baking soda, and salt to evenly distribute leavening agents.
06 -
Gradually mix the dry ingredients into the wet mixture, blending just until no streaks of flour remain. Avoid overmixing.
07 -
With a spatula, gently fold in chocolate chips, oats, chopped nuts, dried cranberries, and mini marshmallows until evenly distributed throughout the dough.
08 -
Using a spoon or cookie scoop, portion generous spoonfuls of dough onto the prepared baking sheet, leaving ample space between each mound.
09 -
Bake in the preheated oven for 10–12 minutes, until edges are golden and centres remain slightly soft.
10 -
Allow cookies to rest on the baking sheet for 5 minutes, then transfer to a wire rack to cool completely for optimal texture.