Double Chocolate S'Mores Bars

I brought these to a friend's party this weekend:

Lishie's Double Chocolate S’Mores Bars

• 1 & 1/2 sticks Butter, @ room temperature
• 2/3 cup sugar
• 1 egg
• 1 tsp vanilla
• 2 cups crushed honey graham crackers 
• 1 cup crushed chocolate graham crackers
• 1/2 cup all purpose flour
• 1/2 tsp salt
• 2 cups chocolate chips*
• 3 1/2 cups mini marshmallows

Pre-heat oven to 350°, grease or spray 13x9x2-inch baking pan (or two, 8x8 brownie pans). 

Beat butter and sugar with electric mixer on medium speed until light and fluffy. Beat in egg and vanilla. In a separate bowl, mix together both flavors of crushed graham crackers, flour, and salt. Stir the graham cracker mixture into the butter/sugar/egg/vanilla mixture. Should become one, big crumbly clump.

Press about 1/2 cup or more, if needed, of the graham cracker mix over the bottom of the greased 13x9x2-inch baking pan. Sprinkle half (1 cup) of the chocolate chips on top. Sprinkle 3 cups of the mini marshmallows on top. Crumble, by hand, the rest of the graham cracker mix on top. Sprinkle last 1/2 cup of the mini marshmallows on top and finally, sprinkle the rest (1 cup) of the chocolate chips on top.

Bake for 25-30 minutes or until brown.

<3 Lishie