Triple Layer Chocolate Cake with Salted Caramel Buttercream Frosting, Chocolate Ganache and Caramel Popcorn

INGREDIENTS

Eggs

2 1/4 tsp

Baking powder

2 1/2 tsp

Baking soda

1 cup

Caramel, salted

1 1/2 cups

Caster sugar

1 1/2 cups

Cocoa powder, unsweetened

200 g

Dark chocolate

3 1/2 cups

Icing sugar

2 1/4 cups

Plain flour

2 tsp

Salt

4 tsp

Vanilla

2 1/4 cups

White sugar

3/4 cup

Canola oil

3 cups

Popcorn, plain

1 1/8 cups

Coffee, hot

315 g

Butter, unsalted

1 1/2 cups

Buttermilk

1 1/4 cups

Cream

120 g

Philadelphia cream cheese

1/2 cup

Water

3/4 cup

Semi-sweet chocolate chunks or chips