Scrumptious pound cake

1 c. butter
3 c. sugar
6 eggs
3 c flour
1/2 t baking powder
1/2 t salt
1 c heavy cream
2 t pure vanilla extract

Mix all ingredients and pour in greased and floured bundt pan.  Don't preheat oven.  Put in oven and bake at 325 for 1 hr 15 min.