3 best chocolate sheet cake Recipes

flour, unbleached , sifted, cocoa , baking, baking soda, salt, mayonnaise (use a good quality mayo: best foods or hellmann s), sugar, water, cold, vanilla extract, brown sugar , packed, chocolate chips , semisweet, half-and-half or 3 tbsp light cream, vanilla extract, butter or 3 tbsp regular margarine ( preferred)

butter (cut into pieces, can use half butter and half margarine), brewed strong coffee (hot or cold ), unsweetened cocoa powder, white sugar , plus, white sugar, flour, salt, baking soda, eggs, sour cream, vanilla, chocolate chip (can use a little more if desired), butter or 1/2 cup margarine, softened, sugar, half-and-half cream or 1/3 cup unwhipped whipping cream, vanilla, unsweetened cocoa powder (for a medium chocolate flavour) or 3/4 cup (for a dark chocolate flavor)