Chocolate Marshmallow Marbled Mousse

Some recipes do not have to be explained and this is one of them. I saw the name and knew it was mine. How could I walk away from a Chocolate Marshmallow Marble Mousse? Fortunately, I didn't have to. Chocolate Marshmallow Marbled Mousse (this recipe is adapted from a forgotten place. If you find it online, please let me know.
INGREDIENTS
7 ounces semisweet chocolate, chopped
1 cup Rice Milk
1 cup marshmallow fluff or creme 2 cups cold whipping cream
1 teaspoon vanilla extract
DIRECTIONS
Microwave the chocolate in a microwave safe container until it melts. (I check every 20 seconds.) Remove the chocolate from the microwave oven as soon as it is melted and stir it smooth. Have ready a serving bowl with a 2- to 2 1/2-quart capacity.
Add the marshmallow creme to the chocolate and cook, stirring constantly, until the marshmallow creme is mixed in. Pour the mixture into a large mixing bowl. Put t...