Adapted from Taste of Home
Preheat oven to 400°.
In a large bowl, cream butter and sugar until light and fluffy.
Add to the sugar and butter the eggs, milk, flour, cornmeal, baking powder and salt and mix until combined.
Pour into a greased 9x9" baking pan and bake 20-25 minutes or until a toothpick inserted in center comes out clean.