About this recipe:This is like a big oatmeal cookie, topped with chocolate and then a crumbly oaty topping, then baked and cut into slices. Kids are sure to love this treat.
220g dark brown soft sugar
1 teaspoon vanilla extract
150g plain flour
1/2 teaspoon bicarbonate of soda
160g quick cooking oats
170g plain chocolate, chopped
160ml evaporated milk
4 tablespoons caster sugar
60g chopped walnuts
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Method Prep:20min › Cook:25min › Ready in:45min
Preheat oven to 180 C / Gas 4. Grease a 23cm square baking tin.
To prepare Filling: In a heavy saucepan, melt 30g of the butter and chocolate. Add the evaporated milk and 4 tablespoons of the caster sugar. Bring to a rolling boil, stirring constantly. Remove from heat. Stir in nuts and cool.
To prepare base: Cream 340g of butter and the dark brown soft sugar together. Add the vanilla and the egg, and beat until light and fluffy.
Add the flour, bicarb and 140g of the oats and blend well.
Press 2/3 of this mixture into the bottom of the greased tin. Spread the cooled filling on top of the cookie base.
Mix the remaining 20g of oats with the remainder of the base mixture, and crumble over the filling. Bake for 25-30 minutes.