Step 1

Preheat oven to 350 F. Pour oil into a 13x9x2-inch pan. Tilt pan until bottom is covered with oil.

Step 2

Put remaining ingredients into pan; stir with a fork or spoon until blended (about 2 minutes).

Step 3

Scrape sides and spread batter evenly in pan.

Step 4

Bake at 350° for 35-45 minutes; until toothpick inserted near center comes out clean.

Step 5

Cooled cake may be sprinkled with powdered sugar.

Step 6

Use a knife to loosen cake from sides; cut and serve directly from pan. Store leftover cake loosely covered.