Buttery Baked Potato Souffle

Ingredients

• 4 large potatoes
• 1 oz butter
• ¼ pint milk
• 3 egg yolks
• 3 egg whites
• pinch of salt
• 15 drops vanilla extract (optional)
• sugar to taste (optional)

Method

1. 1 Bake potatoes until soft, scoop out the inside, and rub through a fine sieve.
2. 2 Boil butter and milk in a saucepan.
3. 3 Remove from heat and beat in egg yolks one by one.
4. 4 Beat egg whites with a pinch of salt until stiff.
5. 5 Carefully fold the egg whites into the potato mixture.
6. 6 Pour into a well-greased tin (no more than half full) and bake in a hot oven (425°F) until risen and pale brown.