Chocolate Sheath Cake

  • Total time: 60 minutes
    • Prep time: 30 minutes
    • Cook time: 30 minutes
  • Yield: 1 9x13 cake
  • Modified from: Grammy


Image source: https://nytimes.com

Inventory

Ingredients

Cake

  • 1 cup (226g; 2 sticks) 80% fat margarine
  • 5 T unsweetened cocoa powder
  • ½ tsp espresso powder or coffee grounds
  • 1 cup water
  • 2 cups (400g) granulated sugar
  • 2 cups (250g) all-purpose flour
  • 2 tsp baking soda
  • 1 tsp baking powder
  • 1 tsp ground cinnamon
  • 1½ tsp kosher salt
  • 2 large eggs, room temperature
  • 1½ tsp vanilla extract
  • ½ cup buttermilk, room temperature

To grease cake pan

  • 1 T margarine
  • Couple T all-purpose flour

Icing

  • 6 T (¾ stick; ⅜ cup) 80% fat margarine
  • 5 T milk
  • 4 T unsweetened cocoa powder
  • ¼ tsp kosher salt
  • 4 cups (480g) powdered sugar
  • 1½ tsp vanilla extract
  • 1 cup (130g) pecans

Special Equipment

  • Baking sheet
  • Foil
  • Knife
  • Small bowl
  • Small saucepan
  • Medium bowl
  • Whisk
  • 9x13 cake pan
  • Rubber spatula

Instructions

Prepare

Toast pecans

  1. Preheat oven to 350°F
  2. On baking sheet
    1. Line with foil
    2. Spread
      • 1 cup pecans
    3. 7-10 min - bake until fragrant
    4. 5-10 min - let cool
    5. Roughly chop toasted pecans into small bowl

Prepare batter

  1. Preheat oven to 350°F
  2. In small saucepan on med-high heat
    1. Whisk until melted
      • 1 cup (226g; 2 sticks) 80% fat margarine
    2. Whisk until combined
      • 5 T unsweetened cocoa powder
      • ½ tsp espresso powder or coffee grounds
    3. Whisk, bring to just boiling, take off heat
      • 1 cup water
    4. Let sit for at least 5 min to cool and bloom chocolate or espresso
  3. In medium bowl
    1. Whisk
      • 2 cups (400g) granulated sugar
      • 2 cups (250g) all-purpose flour
      • 2 tsp baking soda
      • 1 tsp baking powder
      • 1 tsp ground cinnamon
      • 1½ tsp kosher salt
    2. Whisk until just combined
      • Chocolate mixture
    3. Whisk until just combined
      • 2 large eggs
      • 1½ tsp vanilla extract
    4. Whisk until just combined
      • ½ cup buttermilk
  4. In 9x13 cake pan
    1. Grease and flour bottom and sides
      • 1 T margarine
      • Couple T all-purpose flour
    2. Pour in batter

Bake

  1. 20-30 min - bake at 350°F until toothpick comes out almost clean

Prepare icing

  1. Sift
    • 4 cups (480g) powdered sugar
  2. With around 5 min bake time left, in small saucepan
    1. Whisk, bring to just boiling, take off heat
      • 6 T (¾ stick; ⅜ cup) margarine
      • 5 T milk
      • 4 T unsweetened cocoa powder
      • ¼ tsp kosher salt
    2. Whisk a little at a time
      • Sifted powdered sugar
    3. Whisk
      • 1½ tsp vanilla extract
    4. Stir with rubber spatula
      • 1 cup chopped pecans

Post-bake

  1. Immediately after removing cake from oven, pour icing over cake
  2. Let cool completely before covering

Notes

  • Use a whisk, not a mixer, to prevent over-mixing
  • For a half recipe:
    • Use an 8x8 cake pan
    • Bake for 15-20 min
    • Use 3 T milk in the icing instead of 2½

Storage

  • Will keep in airtight container at room temperature or in the refridgerator for about a week