Step 1

Preheat the oven to 325 F, and spray and line an 8 or 9 inch round or square baking pan with parchment paper.

Step 2

In a small bowl whisk together flour, baking powder, baking soda, and salt. Set aside.

Step 3

In a medium bowl fitted with a paddle attachment, cream butter and sugar together until light and fluffy, about 2 minutes. Add oil and eggs and beat again for another 2 minutes. Mix in vanilla and sour cream.

Step 4

Add the dry ingredients, alternating with the milk, in three parts, starting and ending with the dry ingredients.

Step 5

Pour the batter into prepared baking pan.

Step 6

Bake for about 28-33 minutes or until a light golden brown around the edges, and a toothpick comes out clean from the middle. Set aside to allow to cool.

Step 7

In a small bowl, blend ½ cup powdered sugar with 4 oz of cream cheese until completely smooth.

Step 8

In a medium size bowl, whip heavy cream, vanilla and ½ cup powdered sugar together on high until stiff peaks form.

Step 9

Fold the two mixtures together until well blended.

Step 10

Cut strawberries and mix with a little sugar if needed to sweeten more.

Step 11

Frost cake with whipping cream frosting. Place strawberries on top before serving.