Ingredients:

• 250g boiled sweet potato;
• 50g whole wheat flour;
• 250g egg whites;
• 2 whole eggs;
• 5g yeast;
• Sweetener (we usually use around 10g).

Preparation:

• Pre-heat the oven for 15 minutes to around 180º Celsius;
• The sweet potato has to be well cooked so that we can easily peel of the skin and make a puree;
• In a bowl we mix the 2 eggs with the wheat flour, yeast and sweetener;
• Next we mix the puree into the bowl, mixing everything together until it is consistent;
• In another bowl we whisk the egg whites until they are fluffy;
• We proceed to add the egg whites to the other mixture, so that it ends up a consistent cream the color of sweet potato;
• Then we put the cream in a bowl that can go in the oven, for around 20 minutes.

SEE ALSO: CHOCOLATE MUFFINS!

Nutritional Facts:

Amount per half a cake:

• Calories: 341 kcal
• Fat: 5 g
• Carbohydrates 41 g
• Fiber: 6 g
• Protein: 23 g

Note: If you wish to increase the amount of protein in the cake you can add a scoop of whey protein.