Chocolate S'mores Skillet Cake - Foodness Gracious

Ingredients

• 3 cups crushed graham cracker crumbs
• 4 tablespoons melted butter
• 1 1/2 teaspoons cinnamon
• 4 1/2 ounces sugar
• 1 tablespoons stick butter plus 2 (at room temperature)
• 2 eggs
• 3/4 cup all purpose flour
• 2 teaspoon vanilla extract
• 2 tablespoons small containers chocolate fudge pudding (total 8)
• 1 tablespoons Hershey's cocoa powder
• 1 cup marshmallows
• 1 4.5 ounce bar Hershey's dark chocolate
• 1/2 cup roughly crushed by hand graham crackers