About this recipe:This twist on a whoopie pie uses soft cake-like oatmeal cookies and a light and creamy vanilla filling. Enjoy!
450g dark brown soft sugar
1/2 teaspoon salt
1 teaspoon ground cinnamon
1 teaspoon baking powder
3 tablespoons boiling water
1 teaspoon bicarbonate of soda
310g plain flour
160g porridge oats
1 egg white
2 tablespoons milk
1 teaspoon vanilla extract
250g icing sugar
175g butter or margarine
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Method Prep:40min › Cook:11min › Ready in:51min
Preheat oven to 180 C / Gas 4. Lightly grease baking trays or line with baking parchment.
Cream 175g butter with the dark brown soft sugar until light and fluffy. Beat in the 2 eggs and mix well. Stir in the salt, cinnamon, baking powder, boiling water, bicarbonate of soda and flour. Mix to combine. Stir in the oats.
Drop cookie dough by spoonfuls onto the prepared baking trays. Bake at 180 C / Gas 4 for 10 to 12 minutes. Let cool before making sandwiches with the filling.
To Make Filling: Beat egg white. Mix in the milk, 1 teaspoon vanilla and half of the icing sugar. Beat in the butter or margarine and remaining icing sugar. Beat until light.
Spread filling on flat side of one cookie, then top with the flat side of another. Best enjoyed the same day.