Soak the graham cracker crumbs in the butter to soften the crumbs. You can
3. Step
also add the sugars now.
4. Step
Add everything else except for the marshmallows after the mixture cools.
5. Step
You can chill the batter for a bit! If not, preheat the oven to 350°F (180°C) and form the cookies onto a parchment paper-lined cookie sheet
6. Step
Add the marshmallows to the center of the cookie shapes. They will melt and puff up and caramelize, so make sure they're in the center and not the edge so they don't melt and burn at the edges of the cookie!!
