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Sourdough Discard Granola Bars (Chocolate Peanut Butter)

These sourdough discard granola bars are chock full of the best flavors: chocolate, peanut butter, oats and honey!

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a pin with a photo of a sourdough granola bar with chocolate chips and peanuts

I’ve been looking for a way to replace store-bought bars for my kids. Luckily, these homemade granola bars were a hit!

These easy bars make a great snack or you can dip them in yogurt or dunk them in milk for a filling breakfast.

sourdough discrad chocolate chip granola in a stack

I’ve grown weary of buying snacks that are filled with ingredients I can’t identify (let alone read).  These bars feature simple ingredients like vanilla extract, miniature chocolate chips, sourdough discard, and chewy rolled oats.    

While this recipe makes chocolate peanut butter granola bars, you can easily modify it to suit your own tastes. 

Let me show you how to make the best sourdough granola bars… I promise they are way better than the store-bought version!

You will need a large bowl, a spatula, measuring cups, and a 9×9 or 9×11 baking dish for this recipe. 

Get more quick and easy sourdough discard recipes here. 

Why You’ll Love Them

  • This simple recipe is quick to throw together and easy to clean up.
  • There are no seed oils in these bars, only simple, whole ingredients.
  • This recipe is a great way to use up excess discard. 
  • These bars are a fun snack to take on adventures with your kids!
  • This recipe is flexible: add in white chocolate chips, dried fruit, sunflower seeds, or dark chocolate chips.

​Ingredients

ingredients for sourdough granola bars including sourdough discard, salt, rolled oats, brown sugar, vanilla, peanut butter, and honey

Wet Ingredients

  • 1/4 cup butter (melted)
  • 1/4 cup peanut butter
  • 1/2 cup honey
  • 1 tsp vanilla extract
  • 1/2 cup sourdough starter discard (you can also use active sourdough starter)

Dry Ingredients

  • 1/4 cup brown sugar
  • 3.5 cups rolled oats (I used
  • 1/2 tsp salt
  • 1 cup miniature chocolate chips
  • 1/2 cup chopped peanuts (optional)

How To Make Sourdough Discard Granola Bars

Preheat your oven to 325 degrees F.   Line a 9×9 or 9×11 baking pan with parchment paper.  This will allow you to easily lift out the granola mixture.

Next melt the butter and peanut butter in a medium bowl in the microwave. Add the melted butter and peanut butter, vanilla and honey into a large mixing bowl. Mix well.

melted peanut butter and butter in a small bowl
peanut butter, honey, and salt melted and mxied together in a large bowl

Next add the brown sugar, sourdough discard, oats, and salt.  Mix well. Finally, stir in the chocolate chips and chopped nuts (if using). 

granola mixed together with melted butter, honey and peanut butter for sourdough granola bars
chocolate chips being added to the sourdough granola bar mixture

Next, dump the granola bar mixture into the prepared pan. Evenly press the granola mixture into the pan using your hands or the back of a spatula.  Press down firmly, creating an even layer. 

sourdough granola bars pressed into a 9x11 pan

Bake for 25 minutes.   Remove the bars from the pan and let them cool, then transfer to the fridge to chill for at least one hour.  

Optional: Once chilled, melt chocolate chips and use a fork to drizzle the chocolate over the bars. A little pizazz makes these bars even more fun!

Use a large knife and cutting board to cut the granola bars into twelve equal squares.

 

Tips 

  • I have made this recipe with 1/2 the amount of honey. The honey acts as a natural binder, so if you reduce the amount the bars will be more crumbly.
  • Make sure to chill the granola bars in the refrigerator for at least one hour.  This allows you to cut the granola bars without them falling apart.
  • I typically use my sourdough discard when it is flat and runny, about 18-24 hours old.

Variations

Here are a few fun variations to increase the nutrition or change the textures and flavor of the bars:

  • Add in pumpkin seeds, chia seeds, or pecans.
  • Change up the peanut butter for almond butter or cashew.
  • Add in golden raisins, craisins or raisins/
  • Make a decadent bar with sunflower seeds, sea salt, dark chocolate.
  • Mix in some flavors by adding pumpkin pie spice.

The sky is the limit!  Experiment and involve your kids as you search for your favorite add-ins.

Storage

Store the bars in an airtight container such as a ziploc bag for up to one week. 

Longer Storage: To freeze, wrap the bars individually in parchment paper and then place them in a freezer safe container.  Store for up to two months. 

Dripping with chocolate morsels and natural peanut butter, these chewy sourdough granola bars are sure to be a hit with your kiddos.   They are the perfect snack to take on the go, and you can modify this recipe to fit the needs of your family!

a pin with a photo of a homemade sourdough discard granola bar as the main photo

These chewy granola bars are a great alternative to the ever popular but not so wholesome store bought brands.

I hope you and your kids love this sourdough discard granola bar recipe!

Sourdough Discard Granola Bars (Chocolate Peanut Butter)

These sourdough discard granola bars beat the store-bought version hands down! These chewy granola bars combine rolled oats, creamy peanut butter and decadent chocolate for a delicious bar your whole family will love!
Prep Time 20 minutes
Cook Time 25 minutes
Course Snack
Cuisine American
Servings 12 bars

Equipment

  • 1 Large Mixing Bowl
  • 1 Spatula
  • 1 9×9 or 9×11 pan
  • Parchment paper

Ingredients
  

  • 1/4 cup butter
  • 1/4 cup peanut butter
  • 1/2 cup honey
  • 1/2 tsp salt
  • 1/2 cup sourdough discard flat, runny
  • 1 tsp vanilla
  • 1/4 cup brown sugar light OR dark works
  • 3.5 cups rolled oats
  • 1 cup miniature chocolate chips
  • 1/2 cup chopped peanuts optional

Instructions
 

  • Preheat oven to 325 degrees F.
  • Melt the butter and peanut butter in the microwave and mix together. Dump into a large bowl. Add the honey and salt to the mixture and mix well.
  • Add the sourdough discard, vanilla, brown sugar, and rolled oats into the honey-butter mixture. Mix very well with a spatula.
  • Pour the mini chocolate chips and chopped peanuts (if using) into the granola mixture. Stir until well incorporated.
  • Bake for 25 minutes. Remove from oven and let cool slightly. Then remove the bars by lifting out the parchment paper. Set in the fridge to chill for 1-2 hours.
  • If desired, melt some chocolate in the microwave and drizzle over the bars.
  • Cut the bars into twelve equal portions. Enjoy!

Notes

  • Make sure to chill the bars for at least two hours for easy cutting.
  • You can reduce the amount of honey if you wish, the bars will be a little bit more crumbly. 
  • Add your favorite mix-ins as desired: you can use dark chocolate chips, pecans, pumpkin seeds, or almonds.  
  • If you prefer, melt the butter and peanut butter on the stovetop rather than microwave. 

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