Step 1

Preheat oven to 350 degrees F (175 degrees C). Grease a 9x13 inch baking pan.

Step 2

In a large bowl, beat together the eggs, oil and vanilla until well blended. Stir in the walnuts and cake mix until smooth. Spread evenly into the prepared pan.

Step 3

Bake for 15 to 20 minutes in the preheated oven, until a toothpick or knife inserted into the center, comes out clean. Cool in pan on a wire rack and cut into squares.