1970's Mississippi Mud Pie

This is not pretty but it sure taste fantastic. A very rich southern desert.
Here's the 1970's recipe:

Mississippi Mud Pie
Bottom layer
1 cup butter, softened (2 sticks)
2 cups sugar
1/3 cup Hershey's unsweetened cocoa powder
4 large eggs
1 teaspoon vanilla extract
1 1/2 cups all-purpose flour, sifted then measured
1 1/2 teaspoons baking powder
1/2 teaspoon salt
1 1/2 cups pecan pieces
Bake at 350 degrees in a 9"x13"x2" Pyrex pan for 30-45 minutes until toothpick inserted in middle comes out clean. This should be the texture inside of chewy brownies.
Middle layer
14 ounce bottle of marshmallow cream
optional 1/2 of 10.5 ounce bag of mini marshmallows

Top layer
1/2 cup butter (1 stick)
1/3 cup Hersey's unsweetened cocoa powder
1 teaspoon vanilla extract
dash of salt
1 pound box of confectionary sugar
4-6 tablespoons milk

Видео 1970's Mississippi Mud Pie канала Phyllis Stokes and Son