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Sourdough Chocolate Chip Muffins

These sourdough chocolate chip muffins are one of my favourite ways to use up leftover sourdough discard. They’re buttery and tender and loaded with chocolate chips. I like to make the batter the night before and let it ferment in the fridge overnight, which creates even taller muffin tops and better flavour, but you can also bake them straight away if you’re short on time.

side view of baked muffins.

About these muffins

These sourdough chocolate chip muffins are made with discard starter, with an optional overnight ferment for taller domes and better flavour. The sourdough discard is there for flavour and tenderness, not for leavening. The rise comes from baking powder and baking soda, so you don’t need to worry about whether your discard is active or not. In fact, older, more acidic discard works really well here because the acid reacts with the baking soda and also helps tenderise the crumb.

The two-temperature baking method is key to getting tall, bakery-style domed tops. I start the muffins at a high temperature (220°C/425°F) which creates a burst of steam that pushes the tops up quickly before they set. Then, lowering the temperature allows the inside to bake through without over-browning the outside.

There is an optional overnight ferment that does a few things. It allows the flour to fully hydrate, which creates a more tender crumb, it gives the wild yeasts in the discard time to develop flavour, and it thickens the batter, which helps the muffins hold their shape and rise taller. If you skip the overnight rest, the muffins will still be delicious, just slightly less domed and with a milder flavour. If you don’t have a sourdough starter yet, learn how to make a sourdough starter from scratch.

A peek at some of the ingredients

  • Sourdough discard: Unfed discard works best here. It adds a subtle tang and the acidity helps create a tender crumb by weakening the gluten slightly. You can use discard straight from the fridge.
  • Melted butter and oil: I use both in this recipe. The butter adds richness and flavour, while the oil keeps the muffins moist for days. Unlike butter, oil stays liquid at room temperature, which is why these muffins don’t dry out as quickly as all-butter versions.
  • Buttermilk: Adds tang and tenderness. The acid in buttermilk reacts with the baking soda to create lift.
  • Baking powder and baking soda: These provide the lift.
  • Mini chocolate chips: I prefer mini chips over larger chunks because they distribute more evenly through the batter, so you get chocolate in every bite. Regular-sized chips work too if that’s what you have.
  • Almond extract (optional): Just a small amount adds a lovely depth that complements the chocolate. You won’t taste “almond”, it just makes everything taste a bit more complex.
halved muffin.

Method

The muffin batter

  1. Whisk together the all-purpose flour, sugar, baking powder, baking soda, and salt in a medium bowl. Set aside.
fork whisking sourdough starter into eggs.
  1. Add the wet ingredients into a bowl and whisk til combined.
chocolate chips in bowl of batter.
  1. Fold through the dry ingredients and chocolate chips. The muffins can be baked right away or cold-fermented overnight.
A simple line drawing of a piece of paper with a heart in the center, enclosed in a light pink circular border on a white background.

Overnight sourdough muffins

Cover the bowl tightly and place it in the refrigerator for up to 20 hours. Cold fermenting allows the flour to absorb more moisture from the batter, which can lead to a more tender and moist crumb. Additionally, slow fermentation helps break down the proteins in the flour.

Baking

thick batter scooped with ice cream scoop.
  1. Use an ice cream scoop to divide the muffin batter evenly between the liners.
unbaked batter.
  1. Sprinkle the top of the muffins with granulated sugar. Bake til golden.
birds eye view of baked muffins.
  1. Let the baked muffins cool in the pan for 5 minutes before removing them and placing them on a wire rack to cool further.

Tips and Tricks

  • Fill the cups generously. These muffins should be quite full, about level with the top of the liner or slightly above. This, combined with the two-temperature method, creates those bakery-style domed tops.
  • Use an ice cream scoop. It makes portioning much easier and ensures even-sized muffins that bake at the same rate.
  • Don’t skip the sugar topping. Sprinkling granulated sugar on top before baking creates a lovely crackly crust that contrasts with the tender inside.
  • The batter will be thick after overnight fermentation. This is normal and actually helps the muffins rise taller. Don’t add more liquid.
  • Test for doneness carefully. The muffins should spring back when lightly pressed and a skewer inserted in the centre should come out clean (aside from melted chocolate).

Storing and freezing

These muffins are best on the day they’re made, but they keep well. Store leftover muffins in an airtight container at room temperature for up to 3 days. After the first day, I like to warm them quickly in the microwave (10-15 seconds) to soften them and melt the chocolate.

To freeze: Let the muffins cool completely, then freeze in a zip-lock bag for up to 3 months. Thaw at room temperature or reheat from frozen in a low oven (150°C/300°F) for 10-15 minutes.

baked muffins in pan.

More sourdough discard recipes to try

If you’re looking for more ways to use your sourdough discard, try my tender sourdough banana muffins or soft sourdough zucchini bread. For something with fruit, my sourdough blueberry lemon bread is a favourite, or try the sourdough strawberry muffins which use a similar method to this recipe.

side view of unwrapped muffin.

Sourdough Chocolate Chip Muffins

Elien Lewis
Buttery and flavorful sourdough chocolate chip muffins using your leftover sourdough discard starter.
4.82 from 11 votes
Prep Time 10 minutes
Cook Time 20 minutes
Additional Time 12 hours
Total Time 12 hours 30 minutes
Course Sourdough Discard Recipes
Servings 12
Calories 317 kcal

Ingredients
 
 

  • 250 g all-purpose flour
  • 2 teaspoons baking powder
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 113 g butter melted and slightly cooled
  • 15 g vegetable oil
  • 200 g granulated sugar plus extra for topping
  • 2 large eggs room temperature
  • 100 g sourdough discard room temperature
  • 180 g buttermilk room temperature
  • 1 teaspoon vanilla extract
  • 1/2 teaspoon almond extract optional
  • 160 g 1 cup mini chocolate chips

Instructions
 

  • Whisk together the all-purpose flour, baking powder, baking soda, and salt in a medium bowl. Set aside. 250 g all-purpose flour, 2 teaspoons baking powder, 1/2 teaspoon baking soda, 1/2 teaspoon salt
  • Add the melted butter, oil, eggs, sugar, sourdough discard, vanilla extract, almond extract and buttermilk in a large bowl. Whisk until well combined. 113 g butter, 15 g vegetable oil, 200 g granulated sugar, 2 large eggs, 100 g sourdough discard, 180 g buttermilk, 1 teaspoon vanilla extract, 1/2 teaspoon almond extract
  • Add the dry ingredients to the wet ingredients and fold with a rubber spatula until almost all are combined. Add the chocolate chips and fold them through. 160 g 1 cup mini chocolate chips
  • The muffins can be baked right away or cold-fermented overnight.
  • Overnight sourdough muffins: Cover the bowl tightly and place it in the refrigerator for up to 20 hours.

Baking

  • Preheat the oven to 425°F (220°C) and line a muffin pan with liners.
  • Use an ice cream scoop to divide the muffin batter evenly between the liners. They will be quite full. If the batter had a cold-proof, it will be very thick.
  • Sprinkle the top of the muffins with granulated sugar.
  • Bake for 5 minutes in the preheated oven, then turn the oven down to 350°F (180°C) and bake for 15-18 minutes more until golden brown and the muffin tops spring back when pressed or a cake tester inserted in the middle comes out clean.
  • Let the baked muffins cool in the pan for 5 minutes before removing them and placing them on a wire rack to cool further.

Notes

Both metric and US customary measurements are provided. Use the toggle on the recipe card to switch between the two.
*Buttermilk substitute: Mix 170g regular milk with 10g white vinegar or lemon juice. Let sit for 5-10 minutes before using.
Baking straight away: If you skip the overnight ferment, the muffins will still be delicious but may have slightly less domed tops.
Discard temperature: Cold discard straight from the fridge is fine, but a room temperature discard mixes in more easily.
 
 

Nutrition

Serving: 1muffinCalories: 317kcalCarbohydrates: 47gProtein: 5gFat: 13gSaturated Fat: 8gPolyunsaturated Fat: 4gCholesterol: 52mgSodium: 356mgFiber: 2gSugar: 25g
Keyword chocolate chips, Muffins, Sourdough Discard
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5 Comments

  1. Hi! Can I bake these into mini muffins? Would you happen to know how to adjust for mini muffin tins? Can’t wait to try your recipe! Thank you!

    1. Hey yeah you can, but I am unsure how many mini muffins it would make, or the timing for baking. You might need to test bake one or two to see about timing and how much to fill the mini muffin pans 🙂

  2. I made these with 3/4 starter and 1/4 discard. They came out moist and fluffy and so delicious. I love this recipe. I will definitely keep it to make again.

  3. 5 stars
    Worth the long ferment to get rise and depth of flavor. These were a great weekend treat for my fam!

4.82 from 11 votes (10 ratings without comment)

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