Chewy S'mores Brownies

• 9 graham crackers
• 2 miniature marshmallows
• 1 egg
• 1 semisweet chocolate chips
• 120 gr milk chocolate chips
• 100 gr nuts (chopped)
• 80 ml water
• 80 ml crisco vegetable oil
• 1 package duncan hines fudge brownie m