Keto Rainbow Roll Cake

Cake Ingredients:

  • 4 eggs
  • 1/2 cup erythritol powdered
  • 1 tsp. liquid stevia or to taste
  • 1 cup sour cream
  • 5 Tbsp. unsalted butter softened
  • 1 ½ cup almond flour
  • 1 Tbsp. psyllium husk
  • ¼ cup coconut flour
  • 1½ tsp. baking soda
  • 1 Tbsp. apple cider vinegar
  • 1 tsp. vanilla extract
  • Food Coloring

Filling Ingredients:

  • 1 ½ cup heavy cream
  • 2 oz. cream cheese
  • 2 Tbsp. unsalted butter softened
  • 3 Tbsp. erythritol powdered

INSTRUCTIONS

  • Preheat oven to 350°F.
  • Cake Directions:
  • In a medium bowl, whisk eggs together with an electric mixer for about 2 minutes, until lemon yellow, then mix in sweeteners.
  • Blend in sour cream and softened butter.
  • In a separate bowl, mix together all dry ingredients.
  • Add the dry ingredients to the wet ingredients and mix until fully incorporated.
  • Add in apple cider vinegar and vanilla to batter, mix together.
  • Equally separate batter into 4 or 5 bowls. Add a different color of food coloring to each bowl and mix well.
  • Add each colored batter to a piping bag or a sandwich bag.
  • Line a cookie sheet with parchment paper, spray with cooking spray.
  • Pipe each color in diagonal lines across the parchment lined cookie sheet until each colored batter is used up.
  • Tap the cookie sheet on the counter a couple of times to eliminate any bubbles and to even the batter out. Put it on the middle rack of the oven.
  • Bake for 10-15 minutes. It will spring back a bit when touched and a toothpick comes out clean when inserted into the center of the cake.
  • When the cake is done, let cool for 5 – 10 minutes. After it has cooled, roll the cake with the parchment paper, starting from the short end. Try to make sure that the roll is tight as you are rolling.
  • Leave on the counter to cool completely, at least 1 hour. Make the filling as the cake cools.
  • Filling Directions:
  • Place softened butter and cream cheese in a medium bowl.
  • Beat butter and cream cheese together until smooth.
  • In another bowl, add heavy cream and beat until whipped cream.
  • Add the whipped cream to the butter and cream cheese mixture.
  • Add powdered erythritol and beat all together until smooth.
  • To Assemble:
  • After the cake has cooled and the filling is made, unroll the cake gently so that it does not crack.
  • When completely unrolled, spread the filling over the whole cake, leaving a bit of space at the end without filling.
  • Roll the cake back up without the parchment paper. Make sure you keep it tight, but not too tight because the filling will spill out.
  • Wrap it in plastic wrap.
  • Place in the refrigerator for a couple of hours to overnight to set.
  • Store in refrigerator.

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