Preheat the oven to 350°F (175°C).

In a mixing bowl, cream together the butter and sugar until light and fluffy.

Add the eggs one at a time, beating well after each addition.

Stir in the vanilla extract.

In another bowl, combine the flour, baking powder, and milk.

Gradually add the dry ingredients to the wet ingredients, mixing until just combined.

Pour the batter into a greased baking pan.

Bake for 30 minutes or until a toothpick inserted comes out clean.

In a mixing bowl, whip the heavy cream until soft peaks form.

Gradually add the powdered sugar and continue to whip until stiff peaks form.

Spread the frosting over the cooled cake and top with crushed cookies.