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Iced Leftover Mashed Potato Chocolate Muffins on a slate.

Leftover Mashed Potato Chocolate Muffins

Leftover Mashed Potato Chocolate Muffins is the perfect recipe to turn leftover mashed potatoes into deliciously decadent chocolate muffins with a chocolate glaze.
Quick and easy to make, Mashed Potato Chocolate Muffins can be on the table in around 30 minutes. Plus, they freeze well too.
5 from 55 votes
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Course: Afternoon Tea, Sweet Treat
Cuisine: American
Prep Time: 10 minutes
Cook Time: 20 minutes
Total Time: 30 minutes
Servings: 12
Calories: 265kcal
Author: Sarah James

Equipment

  • large mixing bowl
  • Medium mixing bowl or Pyrex jug
  • whisk
  • Silicone spatula, wooden spoon
  • A standard 12 hole muffin tin greased or lined with muffin cases.

Ingredients

Muffin batter

  • 200 g plain flour/all purpose flour
  • 50 g cocoa powder
  • 2 teaspoons instant espresso coffee powder
  • 2 teaspoons baking powder
  • ½ teaspoon bicarbonate of soda
  • 100 g caster sugar
  • 2 eggs beaten
  • 50 ml Greek yogurt
  • 50 ml milk
  • 100 ml rapeseed/Canola oil
  • 150 g leftover mashed potato

Chocolate Fudge Glaze

  • 50 g butter
  • 4 tablespoons milk
  • 50 g dark chocolate
  • 200 g icing sugar/confectioner's sugar
  • 50 g cocoa powder
  • Optional: Chocolate curls

Instructions

  • Preheat oven to Gas Mark 6 / 200℃ / 180℃ Fan / 400℉
  • Put the eggs, buttermilk and oil into a large jug and whisk until combined.
  • Add the mashed potatoes to the mixture and whisk together - it will look a bit grainy but don't worry.
  • Sift the flour, cocoa powder, coffee powder, baking powder and bicarbonate of soda into a large mixing bowl.
  • Using a spatula stir the wet ingredients into the dry until combined. Don't overmix.
  • Equally divide the mixture into each muffin case, filling them to about three quarters full.
  • Bake in the oven for 20 minutes.
  • Remove from the oven and leave to cool for 10 minutes before turning them out onto a cooling rack.
  • Make the chocolate fudge glaze.
  • Heat the butter and chocolate in the milk until just melted. For convenience, I use a bowl in the microwave for approximately 30 seconds to 1 minute.
  • Add icing sugar and cocoa and whisk together until smooth and leave to cool.
  • Spoon chocolate glaze over each muffin and decorate with extra chocolate.

Notes

  • Don't use a highly flavoured mash like garlic and chive or cheese, just use regular mashed potato made with butter, milk, and salt.
  • The secret to soft fluffy muffins is to work quickly without over mixing. If you overwork the muffin batter you will end up with a denser and more rubbery muffin. As a guide, ten stirs is generally enough to make sure there are no pockets of dry flour.
  • Leftover Mashed Potato Chocolate Muffins will keep for up to 3 days stored in an airtight container.
  • These muffins are freezer-friendly! Open freeze muffins for a couple of hours before putting into a food safe freezer bag.
  • They will keep in the freezer for up to three months. Thaw muffins at room temperature.
  • Nutrition information is approximate and meant as a guideline only.
Calories: 265kcal | Carbohydrates: 48g | Protein: 6g | Fat: 12g | Saturated Fat: 4g | Polyunsaturated Fat: 2g | Monounsaturated Fat: 6g | Trans Fat: 0.2g | Cholesterol: 38mg | Sodium: 162mg | Potassium: 263mg | Fiber: 4g | Sugar: 26g | Vitamin A: 161IU | Vitamin C: 1mg | Calcium: 78mg | Iron: 3mg