Step 1

Preheat oven to 325 degrees F and grease a 9x13-inch baking dish.

Step 2

In a large bowl, beat cream cheese until smooth, then mix in oil and sugar.

Step 3

Add eggs one at a time, mixing in between additions, then add vanilla.

Step 4

In a small bowl, sift together flour, baking powder, and salt, then mix dry ingredients into the wet just until combined. Gently mix in buttermilk just until smooth.

Step 5

Transfer batter to the prepared baking dish and bake for 35-40 minutes or until an inserted toothpick comes out clean.

Step 6

Allow cake to fully cool while you make the frosting.

Step 7

In a large bowl, mix cream cheese and butter until smooth. Slowly add in powdered sugar, then salt until fully combined.

Step 8

Frost cooled cake and then refrigerate until ready to serve.