Six-Layer Chocolate Cake with Toasted Marshmallow Filling

INGREDIENTS

Eggs, large

7 1/2 oz

Marshmallow fluff

1/2 tsp

Vanilla paste

2 9/16 cups

All purpose flour

1 1/2 tsp

Baking powder

1 tbsp

Baking soda

1 1/16 cups

Cocoa powder

3 cups

Granulated sugar

5 cups

Powdered sugar

1 1/2 tsp

Salt

1 pinch

Salt

8 oz

Semisweet or dark chocolate

1 1/2 tbsp

Vanilla extract

1 tbsp

Vanilla extract, pure

3/4 cup

Vegetable oil

1 1/2 cups

Coffee, strong black hot

4 sticks

butter

1 cup

Butter

1 1/2 cups

Buttermilk

1/2 cup

Heavy whipping cream

Marshmallows, large white

¾ cup Ovaltine Classic (brown in color)