S’mores Bars

THERE IS NO more iconic summertime treat than a s’more—toasty marshmallow and snappy-soft milk chocolate sandwiched between graham cracker squares—enjoyed around a campfire. I wanted to translate the best parts of a s’more into a portable bar cookie that could be made anytime.

I knew I’d need a crunchy graham cracker base that was thick enough to support a heavy filling. I started with a recipe for a shortbread-like cookie,