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S’mores cookies

S’mores Cookies

By OcadoPublished on 23 September 2026Bring a touch of fun to your kitchen with these gooey, s’mores cookies. Rolled with M&S’s S’mores Merry Munch Mix these are crunch-packed with a hidden molten marshmallow middle. The ultimate sweet treat to whip up with helpers big or small, perfect for rainy days, weekend baking sprees or whenever you need an extra-chewy treat.
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Time and servings

35 minsTotal time
16Servings
20 minsPrep time
15 minsCooking time

Ingredients

  • 145g salted butter, softened
  • 150g soft light brown sugar
  • 100g light muscovado sugar
  • 1 egg
  • 250g plain flour
  • 1 tsp baking powder
  • ½ teaspoon bicarbonate of soda
  • 100g M&S S’mores Merry Munch Mix
  • 8 marshmallows, cut in half

Method

  • Step 1

    Tip the butter and both sugars into a mixing bowl and beat until smooth and slightly lighter. Crack in the egg and beat again until just smooth.

  • Step 2

    Tip in the flour, baking powder, bi carb and a pinch of salt then beat until just combined.

  • Step 3

    Add the S’mores Mix and fold in. Then scoop out a spoonful of dough pushing a marshmallow half into the centre then shape the dough to seal it in the centre. Repeat until you have 16 balls. Set on a baking sheet, cover and chill for at least 4 hours, or up to overnight.

  • Step 4

    Heat the oven to 180°C/ 160°C fan/ gas 4. Line 2 baking sheets with non-stick baking paper.

  • Step 5

    Bake for 15 mins until lightly golden and still soft. Remove from the oven, leave on the trays for a few mins then transfer to a wire rack to cool completely.