Made for sharing (or not), this giant cookie recipe is packed with our Hallow-Scream Munch and finished with a gooey marshmallow spider web and Colin Spooky Sour Sweets for a frightfully fun Halloween treat.

Olivia Ferguson – M&S Recipes Team
Olivia has been creating recipes and food content for M&S since 2019. As a busy parent, she develops quick, achievable recipes that fit around family life.
45MIN
Total time
Ingredients
Servings
10
250 g
M&S Remarksable Value unsalted British butter, softened
200 g
soft light brown sugar
100 g
caster sugar
2
M&S free range medium eggs
1 tsp
M&S Madagascan vanilla extract
350 g
M&S Remarksable Value plain white flour
1 tsp
bicarbonate of soda
1/2 tsp
sea salt
100 g
M&S hallow-scream munch, roughly chopped
To decorate
12
white marshmallows
1 pack
(170 g)
(170 g)
M&S Colin the Caterpillar spooky sour sweets

