How to Make M&M Oatmeal Cream Pie Cookie Sandwiches
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Step 1: Cookie Dough
115g / 1/2 Cup Unsalted Butter
150g / 3/4 Dark Brown Sugar
50g / 1/4 Cup Caster Sugar
1 Large Egg
1/2tsp Baking Soda
2tsp Vanilla Extract
125g / 1 Cup All-Purpose Flour
140g / 1 2/3 Cups Oats
100g M&M's (Crispy) + Extra for Decoration
Cream the butter and then the sugar until light and fluffy. Add the egg followed by the vanilla, cinnamon, baking, soda and salt. Next add the the flour, oats and mix until the cookie dough is formed. To finish, add the M&M's and leave to chill in the fridge for 30 minutes.
Step 2: Marshmallow Fluff
1 Egg White
165g / 1/2 Cup Golden Syrup or Corn Syrup
1/4tsp Lemon Juice
65g / 2/3 Cup Icing Sugar
To make the marshmallow fluff, add the egg white, syrup, lemon juice and salt to a stand mixer and whisk until soft peaks are formed. Add the icing sugar and whisk again.
Step 3: Baking
Using a ice cream scoop, spoon out the cookie dough and place on a sheet with greaseproof paper. Add some extra M&M's and bake in an oven at 200 degrees for 10 minutes.
Leave on a wire rack to cool.
Step 4: Enjoy!
Spoon the marshmallow fluff on the base of half of the cookies and place the remaining cookies on top.