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| water: 2 cups (hot) |
| regular mayonnaise: 2 cups |
| vanilla extract: 2 tsp |
| granulated sugar: 2 cups |
| all-purpose flour (unsifted): 4 cups |
| baking soda: 2 tsp |
| unsweetened cocoa powder (sifted): 6 Tbl |
Credit: AllRecipes
"A moist chocolate cake that fills a 9x13 inch pan."