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Desserts · Part 1 of 3: Ingredients

Rich and Moist Black Sheet Cake for Any Occasion

A close-up view of a rich, dark chocolate sheet cake square being lifted from a platter.
Prep
Cook
Total
Serves
12
Includes 30 min resting

Indulge in the ultimate chocolate experience with this decadent black sheet cake. Designed for those who crave deep, intense cocoa flavors, this recipe delivers a moist, fudgy texture that pairs perfectly with a glossy chocolate finish.

It is the ideal solution for busy days when you need a reliable dessert that looks impressive and tastes even better. Whether you are hosting a casual get-together or just need a sweet treat, this cake is guaranteed to satisfy every craving.

This black sheet cake recipe focuses on simplicity and quality. By using a high-quality chocolate base and a rich, smooth glaze, you can achieve professional results in your own kitchen.

The method is straightforward, ensuring that even novice bakers can produce a dessert that features a tender, uniform crumb and a beautiful, shiny top. Follow these instructions to create a cake that remains moist for days and provides a luxurious mouthfeel that makes every single bite a delightful experience for your guests.

Ingredients

Makes one 9x13 inch cake · serves 12

Cake Base

  • 1 box chocolate cake mix, store-bought or made ahead

Chocolate Glaze

  • 1 cup chocolate glaze, store-bought or made ahead
Contains: gluten, eggs, milk

Why this recipe works

The method relies on proper aeration of the cake batter during the mixing phase, which creates a light yet substantial structure. By baking in a standard 9x13 inch pan, the heat distribution remains consistent, preventing the edges from drying out while the center stays perfectly fudgy.

Ready to start cooking right away??? Jump to Part 2 ? Step-by-Step Method ?

This balance is essential for achieving the signature moistness that defines a high-quality sheet cake, ensuring that every slice maintains its integrity from the first to the last.

Glazing the cake only after it has reached room temperature is a crucial step that prevents the topping from melting away or becoming absorbed into the crumb. This technique allows the glaze to form a protective, glossy layer that locks in moisture and adds a secondary level of cocoa intensity. The resulting contrast between the tender cake and the firm, silky glaze creates a sophisticated texture profile that is essential for a truly memorable dessert experience.

Notes and substitutions

Choosing a high-quality cocoa powder for the cake mix or glaze will significantly impact the final flavor profile. Dark cocoa provides the deep color and robust taste required for a black cake. If you prefer a sweeter profile, you may adjust the sugar content in the glaze accordingly.

Ensure that all refrigerated items are at room temperature before you begin the mixing process, as this promotes a better emulsion and a more uniform texture throughout the finished cake layers.

The choice of equipment, particularly the 9x13 inch pan, is vital for the correct depth and baking time. An offset spatula is highly recommended for spreading the glaze, as it allows for precise control and a smooth finish without disturbing the delicate surface of the cake. If you do not have an offset spatula, a flat rubber scraper can be used, though it may require more patience to achieve the same level of smoothness across the entire cake surface.

  • chocolate cake mix: a standard devil's food cake mix or any deep chocolate cake base
  • chocolate glaze: a simple ganache made from equal parts heavy cream and semi-sweet chocolate chips

Equipment

  • 9x13 inch baking pan
  • offset spatula
  • serving platter
  • cake knife
  • mixing bowls

Coming up in Part 2: the method

  1. Mixing and Baking · 1 stepPrepare the cake base
  2. Glazing · 1 stepCool and glaze the cake
  3. Slicing and Serving · 1 stepServe the dessert

Up next · Part 2 of 3

3 steps · 35 min of cooking · what to look for at each stage

Step-by-step instructions (Part 2)