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Ingredients
1 box brownie mix (be sure it says it makes a 9x13 pan) ingredients to make brownies graham crackers marshmallows
Mix brownies according to the directions on the package. Spread 1/2 in the bottom of a prepared 9x13 pan.
Arrange a layer of graham crackers over top of the brownie batter.
Mix remaining batter with 1 1/2 cups mini marshmallows. Spread on top of the graham crackers. Be sure to get it completely covered. Patience may be needed.
Bake at 350 for 30-35 minutes.
* the next time I make these I may try a 9x9 pan to get more of a brownie base.