8 portions / 1hr 45mins

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Serving Suggestion

Top Tip!

Top with grated Vitabite for an even sweeter kick!

This Mississippi Mud Pie is the perfect gooey and rich low protein dessert to end a delicious meal. The recipe is free for MSUD and ideal for those on a low protein diet.


To make the pastry:

  • 250g Fate Low Protein All-Purpose Mix
  • 125g Soft Margarine
  • 30g Sugar
  • 60ml Water

To make the brownie:

  • 250g Fate Chocolate Cake Mix
  • 7 Vitabite bars
  • 65g Soft Margarine
  • 120ml ProZero
  • 40g Mallows marshmallows

To make the topping:

  • 300ml ProZero Double ‘Cream’ (see recipe)


  1. Preheat oven to 190°C/fan 170°C/gas mark 5
  2. Rub the Fate low protein all-purpose mix and the margarine together in a mixing bowl until it resembles coarse breadcrumbs.
  3. Mix the sugar into the water until dissolved and combine with the Fate mixture.
  4. Leave to rest for 10 minutes.
  5. Dust a clean work surface with Fate low protein all-purpose mix and knead the pastry for a minute on the work surface until smooth.
  6. Roll the pastry out with a rolling pin to a 32cm circle and lift into the 26cm baking tin making sure that you press the edges.
  7. Leave to stand for 5 minutes.
  8. Cut the excess pastry off the sides.
  9. Make Fate chocolate cake mix up to packet instructions.
  10. Melt Vitabite in a heatproof bowl over a pan of boiling water.
  11. Add the Vitabite to the mixture and mix well.
  12. Fold in marshmallows until combined.
  13. Pour mixture into the pastry case and spread until level.
  14. Bake for 30 minutes.
  15. Remove from the oven and tin and allow to cool.
  16. Top with ProZero Double ‘Cream’ to serve.

Fate low protein all-purpose mix, Fate chocolate cake mix, ProZero and Vitabite are foods for special medical purposes and must be used under medical supervision.

Serving Suggestion

Top Tip!

Top with grated Vitabite for an even sweeter kick!