Grammie Bea'S Mayonnaise Cake - cooking recipe

Ingredients

2 cups flour
1 cup sugar
1/2 teaspoon salt
3 tablespoons cocoa, heaping
1 1/2 teaspoons baking soda
3/4 cup mayonnaise
1 cup water
1 teaspoon vanilla

Preparation

Sift first 5 ingredients together.
Add mayonnaise, water, and vanilla. Beat together well.
Grease a 9x13\" baking pan, and dust with flour.
Pour in cake mix, and bake at 375 for 30-40 minutes, checking at 30 minutes and every 5 minutes after, until toothpick inserted in middle comes out clean.