Sweet potato cake

Ingredients

• 3 mugs cooked, mashed sweet potato
• 1 mug boiling milk
• 2 drops vanilla essence
• 3 eggs
• 2 level tablespoons sugar

For firm ingredients you might want to use the INPhO weight calculator. For liquid ingredients the volume table could be useful.

Utensils

• Coffee mug
• 2 glasses
• Fork
• Tablespoon
• Wooden spoon
• Saucepan
• Mixing bowl
• Bread tin

Preparation

1. Wash, peel, chop, cook and mash the sweet potato.
2. Boil the milk in a saucepan.
3. Add the boiling milk and vanilla essence to the mashed potato.
4. Beat the egg yolks together with the sugar and add to the potato mixture.
5. Add the butter and mix well.
6. Fold in stiffly beaten egg whites.
7. Place the mixture in a bread tin and bake in a hot oven (200°C) for about 1 hour.