Add 2 heaping tablespoons of marshmallow cream. Mix marshmallow cream into the other ingredients.
Add 2 teaspoons vanilla and a pinch of salt. Mix thoroughly.
Add 2 cups of chopped walnuts. Mix thoroughly.
Pour mixture into the previously greased pan. Use a large spoon to smooth out the mixture.
Cool in refrigerator. Allow to stand at room temperature after cooling for 15 to 20 minutes. Cut into bite size squares.