Preheat oven to 350 degrees. In a bowl, combine softened butter and brown sugar. Beat in egg and vanilla
Step 2
In another bowl, whisk together flour, graham cracker crumbs, baking powder and salt
Step 3
Slowly add in flour mixture to butter mixture until combined
Step 4
When mixed, split dough in half. Half for the top crust and the other for the bottom. Spread even layer of half the dough into a greased 8×8 pan
Step 5
Using a greased spatula, spread one jar of marshmallow creme on top of the dough. Spread all the way to the edges and corners
Step 6
Add in chocolate chips evenly over the layer of marshmallow
Step 7
To add the top crust do it in patches. Take small chunks of dough & flatten them in your hands about 1/3 inch thick. Place on top of the layer of chocolate chips. Repeat this step. Bake for 30 minutes. Let cool down before slicing