Moist Corn Bread

A friend of mine made this when I had a baby and it was delicouse!

1/2 c. butter
1 c. sugar
2 eggs
1 c. cornmeal
1 1/2 c. flour
1/2 t. salt
2 t. baking powder
1 1/2 c. milk

9x13" pan/ 350 degrees F/ 30min.