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Irresistibly Soft Chocolate Mascarpone Sheet Cake Delight

This chocolate mascarpone cake offers a rich flavor and fluffy texture, perfect for any occasion.
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Prep Time 20 minutes
Cook Time 35 minutes
Cooling Time 15 minutes
Total Time 1 hour 10 minutes
Servings: 12 slices
Course: Desserts
Cuisine: American
Calories: 350
Ingredients Equipment Method Notes

Ingredients
  

For the Cake
  • 1 cup Boiling Water Use hot water for best results.
  • 2 cups All-Purpose Flour Swap with cake flour for a lighter texture.
  • 2 cups Granulated Sugar Consider coconut sugar for lower glycemic.
  • 3/4 cup Unsweetened Cocoa Powder Dutch-processed creates a milder taste.
  • 1 tablespoon Instant Espresso Powder Can be omitted if unavailable.
  • 1 teaspoon Baking Powder Ensure freshness for optimal baking.
  • 1 teaspoon Baking Soda Essential leavening agent.
  • 1 teaspoon Salt Balances sweetness.
  • 1 cup Buttermilk Yogurt mixed with vinegar can substitute.
  • 1/2 cup Vegetable Oil Melted butter or coconut oil can be alternatives.
  • 3 Large Eggs Room temperature eggs mix better.
  • 2 teaspoons Vanilla Extract Stick with pure vanilla for best outcome.
For the Frosting
  • 1 cup Mascarpone Cream cheese can be used but alters flavor.
  • 1/2 cup Acacia Honey Regular honey or maple syrup work as substitutes.
  • 1 tablespoon Vanilla Paste Use extra vanilla extract if unavailable.
  • 2 cups Confectioners Sugar Always use powdered sugar for velvet texture.
  • 1 cup Heavy Cream Coconut cream provides a non-dairy option.

Equipment

  • mixing bowl
  • whisk
  • Baking pan
  • spatula

Method
 

Baking Steps
  1. Preheat your oven to 175ºC (350ºF) and prepare a half sheet baking pan (23x33 cm) lined with parchment paper.
  2. In a large mixing bowl, sift together all dry ingredients: flour, sugar, cocoa powder, espresso powder, baking powder, baking soda, and salt.
  3. In a separate bowl, whisk together the wet ingredients: buttermilk, vegetable oil, eggs, vanilla extract, and boiling water.
  4. Gradually pour the wet ingredients into the bowl of dry ingredients, gently folding until no lumps remain.
  5. Pour the batter into the prepared baking pan and bake for 30-35 minutes. Check for doneness with a cake tester.
  6. Remove the cake from the oven and cool in the pan for about 15 minutes before transferring to a cooling rack.
  7. In a mixing bowl, beat together mascarpone, acacia honey, and vanilla paste until creamy, then add confectioners' sugar and mix until smooth.
  8. Spread the mascarpone frosting over the cooled cake, dust with cocoa powder for garnish if desired.

Notes

Allow the cake to cool completely before applying frosting for a beautiful finish. Store leftovers in an airtight container in the refrigerator.