I spoke to Nestle consumer services. This product has been discontinued, however, the rep encourages all chefs, pastry chefs or consumers to call their customer service number and request this product (Baking Powder Chocolate Frosting)
Chocolate Swirl Meringue by Bakers Royale. We put the granulated sugar in the blender to pulverize it a bit before adding to the egg whites. The uncooked meringue felt a tiny bit gritty, but the final product was not.