Fudge Brownie Pie

This recipe was voted the best Blogger recipe in 2012 !!!!!!

Fudge Brownie Pie
3/4 c. flour
1 c. sugar
1/4 c. cocoa powder, sifted
1 t. baking powder
1/4 t. salt
1/2 c. butter or margarine, melted
2 large eggs, beaten
2 t. vanilla
1/2 c. chopped toasted pecans
2 handfuls of mini marshmallows
Frosting:
1/4 c. butter, melted
1/4 c. cocoa powder, sifted
1/4 c. evaporated milk 
1 cup powdered sugar, sifted
Whisk together the flour, sugar, cocoa powder, baking powder and salt in a bowl. Beat together the butter, eggs and vanilla. Add to the dry ingredients and mix until smooth. Stir in the toasted nuts. Pour into a buttered 9" spring form pan.
Bake on middle shelf of the oven at 350 for 25 to 30 minutes, or until a toothpick inserted in the center comes out clean. Immediately sprinkle the marshmallows on top and return to the oven for a few minutes to melt the marshmallows. Remove from the oven and carefully spread the chocolate frosting over top.
To make frosting; mix all ingredients together in a bowl, beating until smooth and thick. Spread on the hot marshmallows. Let cool completely. Cut into wedges to serve.