Preheat your oven to 350°F (175°C) and grease two 9-inch round cake pans.

In a large mixing bowl, combine the flour, sugar, cocoa powder, baking powder, baking soda, and salt.

Add the eggs, milk, vegetable oil, and vanilla extract to the dry ingredients; mix until well combined.

Carefully stir in the boiling water until the batter is smooth.

Divide the batter evenly between the prepared cake pans.

Bake for 30-35 minutes or until a toothpick inserted in the center comes out clean.

Allow cakes to cool in the pans for 10 minutes, then transfer to wire racks to cool completely.

For the frosting, beat the softened butter until creamy, then gradually add powdered sugar and mix until smooth.

Incorporate the vanilla extract and milk to achieve a desired consistency.

Crush some Oreo cookies and fold them into the frosting for added flavor.

Once the cakes are cool, frost the top of one layer, add crushed Oreos, then place the second layer on top and frost the entire cake.