Butterscotch Cake With Marshmallows without almonds

itemscope itemtype="http://data-vocabulary.org/RecipeIngredient"> 3 large egg yolks 1 large egg 7 tablespoons cornstarch 1 cup plus 2 tbsp. dark brown sugar 1[...]

2 (3 1/2 ounce) packages instant butterscotch pudding mix 3 cups skim milk 1 cup pecan pieces or 1 cup chopped pecans 1 (10 1/2 ounce) frozen all-butter[...]

12 tablespoons unsalted butter (1 1/2 sticks) 1 cup dark brown sugar 5 cups heavy cream 1 tablespoon fine sea salt 1 vanilla bean , seeds scraped 6 large egg[...]