I've been playing with options for the egg whites left over from my fat bombs, and came up with this recipe for a sort of eclair-ish cake roll. It's quite good! You'll notice the custard (filling) recipe it tweaked slightly, it's just what works for me. :)
Part 1: The Eggies
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Crack a dozen eggs into a bowl (be careful not to break the yolks). With a spoon, separate the yolks into another bowl. Refrigerate both bowls for the time being.
Part 2: The Filling
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Bring a double-boiler (for consistent heat) to a simmer and melt ½ lb butter (1 cup), ½ cup coconut oil, and 1.5 cups coconut milk until consistently mixed. Stir in 2 tbsp powdered stevia, 1 tbsp lemon juice, and 1.5 tbsp gelatin (Knox or similar). After gelatin has dissolved, remove from heat and stir in the 12 eggs yolks from part 1. Replace on heat for 2-3 minutes, consistently stirring, until mixture thickens.
Remove from heat and put the pot into a cold water bath in the sink, stir until the mixture has cooled to room temp. While stirring, add 1 tbsp vanilla. Remove from sink and beat in ¼ c. cold water with a mixer until slightly foamy, then blend at high speed for 30 seconds. Pour into a container from the blender (make sure to get it all!) and refrigerate for 1 hr or until the gelatin has set. Once it's set, it should be a foamy, creamy texture.
Part 3: The Cake
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The 12 egg whites will make anywhere from 4 to 8 “cakes”, depending on the size of the eggs. Start with ½ cup egg whites in a mixing bowl. Add 1 tsp powdered stevia, ¼ tsp cream of tartar, and ½ tsp Vanilla. Whip with a mixer until foamy and stiff peaks form. Cover a medium to large sized cookie sheet with parchment paper. Wipe down the parchment paper lightly with olive oil, butter, or other oil. Spread the whipped egg whites evenly onto the paper with a spatula into a rectangular shape. Bake at 300 F for 15 minutes. Remove and let cool for 5 minutes, then carefully peel from parchment paper.
Part 4: The Roll
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With your finished egg white cake sheet, spread on about 1 cup of the custard filling, making sure to take some time and spread it evenly over the whole surface. Sprinkle generously with cinnamon or a cinnamon/stevia mixture, and roll it up.
The roll can be cut and served as is, or frozen anywhere from 1-2 hrs and then cut.