To make S’mores Cake, follow these simple steps:

1. Preheat the Oven: Preheat your oven to 350°F (175°C). Grease and flour two 9-inch round cake pans.
2. Mix Dry Ingredients: In a large bowl, whisk together the flour, granulated sugar, cocoa powder, baking powder, baking soda, and salt until well combined.
3. Combine Wet Ingredients: In another bowl, beat the eggs, then add the milk, vegetable oil, and vanilla extract. Mix until smooth.
4. Combine Mixtures: Gradually add the wet ingredients to the dry ingredients, stirring until fully incorporated.
5. Add Boiling Water: Carefully stir in the boiling water. The batter will be thin, which is normal.
6. Bake: Pour the batter evenly into the prepared cake pans. Bake for 30-35 minutes or until a toothpick inserted in the center comes out clean.
7. Cool the Cakes: Once baked, remove the cakes from the oven and let them cool in the pans for 10 minutes. Then, transfer to wire racks to cool completely.
8. Prepare Frosting: While the cakes are cooling, prepare your chocolate frosting if you’re not using store-bought.
9. Assemble the Cake: Once the cakes are cool, place one layer on a serving platter. Spread a layer of chocolate frosting on top, then sprinkle mini marshmallows and crushed graham crackers.
10. Add Second Layer: Place the second cake layer on top and frost the top and sides of the cake with the remaining chocolate frosting.
11. Decorate: Top with additional mini marshmallows and graham cracker crumbs for an extra touch.
12. Toast Marshmallows (Optional): For a fun finish, you can use a kitchen torch to lightly toast the mini marshmallows on top.

By following these steps, you’ll have an incredible S’mores Cake that is sure to delight anyone who tries it!