Homemade Peanut Butter Granola Bar Recipe (2024)

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For a fast and filling snack — or okay, sometimes a meal — granola bars just can’t be beat. They’re portable and tasty and filling. I decided it was time to learn how to make granola bars back when my kids were in elementary school, and these are still a favorite today.

Originally published March 2014; this post has been updated.

Homemade Peanut Butter Granola Bar Recipe (1)

Click here to see my great big collection of homemade granola bars.

Once upon a time, when my boys were young and in Little League, we did a lot of eating on the run. The slow cooker helped us manage meals, but people were hungry during those games and seemingly never-ending practices.

Granola bars were my go-to grab and go snacks. I chose what I thought were the healthiest bars, but not long into the season I realized that 1. we were creating a lot of trash and 2. we were spending a lot of cash.

Time to learn how to make granola bars myself!

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Easy Homemade Granola Bars Recipe

The good news is, it’s not hard. It’s a simple matter of combining ingredients, pressing them into a pan, and baking. The house will smell lovely, you will have snacks, and you’ll save money.

These peanut butter granola bars, adapted from a recipe from a vintage television show called Zoom (remember THAT?), became our standby snack on busy days. Even now, my adult children will fall back on this recipe when they know they’re going to be out and about all day long and in need of sustenance.

Homemade Peanut Butter Granola Bar Recipe (2)

Ingredients

Oats The bulk of this granola recipe comes from old fashioned rolled oats. Skip the quick oats; you want the heft of whole, rolled oats here.

Honey This recipe is lightly sweetened with honey. If you like, you could easily use maple syrup instead.

Peanut Butter Added for both flavor and a little extra protein, peanut butter helps hold the ingredients together, too. I prefer a natural peanut butter; opt for creamy peanut butter or crunchy peanut butter. For a nut free version, try sunflower seed butter or use melted butter or coconut oil.

Eggs — Fresh eggs, store bought, use what you have readily available.

Optional Add-Ins This is where you can really customize these homemade granola bars. We typically add raisins or dried cranberries, along with mini chocolate chips and nuts. You can also add unsweetened shredded coconut.

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Homemade Peanut Butter Granola Bar Recipe (3)

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Homemade Peanut Butter Granola Bar Recipe (4)

Making Them

Start by mixing the peanut butter, honey, vanilla, and eggs in a bowl. Add the remaining ingredients and stir to combine.

Transfer oat mixture to a rimmed baking pan and spread evenly. Use a spatula or your hands to press the mixture firmly into the pan.

Bake, remove from oven, and once again press the oat mixture firmly into the pan. Doing this both before and after baking the bars helps them retain their shape.

Cool, then cut into bars.

Storage

Place bars into an airtight container. Store at room temperature for up to a week.

Be sure to try these homemade granola recipes, too!

  • Easy Homemade Granola
  • Persimmon Granola
  • Pumpkin Granola

Homemade Peanut Butter Granola Bar Recipe (5)

★ Did you make these granola bars? Don’t forget to give them a star rating below!

Homemade Peanut Butter Granola Bar Recipe (6)

Homemade Granola Bar Recipe

Yield: 1 13"x18 pan

Prep Time: 10 minutes

Cook Time: 15 minutes

Total Time: 25 minutes

Store bought granola bars are expensive and create excess waste. Make a large batch of peanut butter oatmeal granola bars for on-the-go snacking.

Ingredients

  • 1/2 cup peanut butter
  • 1/2 cup honey
  • 2 teaspoons vanilla extract
  • 4 large eggs, lightly beaten
  • 1/2 teaspoon sea salt
  • 1 cup whole wheat flour
  • 1 teaspoon baking powder
  • 8 cups old-fashioned rolled oats
  • 2 cups organic raisins or cranberries
  • 2 cup semisweet chocolate chips (optional)
  • 1 cup nuts (optional)

Instructions

  1. Pre-heat oven to 350 degrees.
  2. Mix peanut butter, honey, vanilla, and eggs in a large mixing bowl. Stir salt, flour, baking powder, and oats into peanut butter mixture. Add raisins, chocolate chips, and nuts.
  3. Spread mixture into a 13"x18" baking sheet, greased or lined with a silicone mat or parchment paper.
  4. Press the mixture firmly down into the pan using a flat spatula or other tool.
  5. Bake 15 minutes or until the top is golden brown. Remove from oven and press bars again to help them hold their shape.
  6. Cool, then slice into 24 bars.

Notes

For a nut free version, try sunflower seed butter or use melted butter or coconut oil instead of the peanut butter.

Nutrition Information:

Yield: 24Serving Size: 1 bar
Amount Per Serving:Calories: 330Total Fat: 13gSaturated Fat: 4gTrans Fat: 0gUnsaturated Fat: 7gCholesterol: 31mgSodium: 122mgCarbohydrates: 50gFiber: 5gSugar: 22gProtein: 9g

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Homemade Peanut Butter Granola Bar Recipe (2024)

FAQs

What helps homemade granola bars stick together? ›

Honey – Along with the nut butter, it helps all these ingredients stick together! I love its warm amber flavor in this recipe. Vanilla extract – It amps up the bars' warm flavor.

What ingredient makes granola stick together? ›

Clumpy Granola Method: Add Egg White

The idea is that the egg's protein will help the oats bind to each other and create delicate clusters. Results: Not only does the egg white work as a glue to hold the oats together, but it also gives the granola an incredibly crispy bite.

Is it cheaper to make granola bars at home? ›

Homemade granola bars aren't hard to make once you have all the right ingredients and they'll certainly save you money in the long term.

What is the best binder for granola bars? ›

When dampened, chia seeds gel and swell to several times their original size, plus they get very sticky. Since they're already used as egg alternatives in baking, it's not surprising that chia seeds act as the ideal granola binder, but it is strange that they do it better than eggs.

Should you soak oats before making granola bars? ›

Fill the bowl up with water to completely cover the mixture – enough that you can stir to combine. This soaking process will help the oats and seeds digest better. After the oat/seed mixture has soaked 8-12 hours, add the rest of the ingredients and combine.

What do you wrap homemade granola bars in? ›

For the Packaging:
  1. If You Care Compostable paper sandwich bags.
  2. Washi tape (or regular scotch tape. I just love washi tape)

Why is my homemade granola not crunchy? ›

Higher temperatures can cause ingredients like nuts, seeds, and coconut to burn before the batch has a chance to properly dry out and crisp up, Perry says. Stick with a low temperature, keep an eye on your mixture, and stir it from time to time to help it brown evenly.

Why is my granola bar not crunchy? ›

For really crispy bars, you can either bake them all the way to 32 or more minutes or you can take the bars out after 25 minutes, let them cool for a bit, slice them up into the bars, and then put them back in on a baking sheet to bake for 10 -15 minutes so that they get more crispy.

What is the main ingredient in chewy granola bars? ›

GRANOLA (WHOLE GRAIN OATS, BROWN SUGAR, BROWN RICE CRISP [WHOLE GRAIN BROWN RICE FLOUR, SUGAR, SALT], WHOLE GRAIN WHEAT, SOYBEAN OIL, WHOLE WHEAT FLOUR, BAKING SODA, SOY LECITHIN, NONFAT DRY MILK), CORN SYRUP, BROWN RICE CRISP (WHOLE GRAIN BROWN RICE FLOUR, SUGAR, SALT), SEMISWEET CHOCOLATE CHIPS (SUGAR, CHOCOLATE ...

Can you make granola without parchment paper? ›

Use a large sheet pan and make sure to spread the oats mixture in one single layer directly on the pan. I do not use parchment paper, I know it's easier for clean up purposes but it does not produce the same results in terms of crunch. Check the granola every few minutes during the baking time and stir to avoid burning ...

How do you fix chewy granola? ›

Not only can you transform that soggy, chewy granola back to being blissfully crunchy, but it's easier than you might think. All it takes is spreading the granola in a single layer on a rimmed baking sheet and heating it in a 400 degree oven for five minutes — essentially re-baking it.

Why are homemade granola bars better than store bought? ›

They can be more cost-effective: Homemade granola bars can be less expensive than store-bought options, especially if you buy ingredients in bulk or on sale. They can be fresher: Homemade granola bars can be fresher than store-bought ones, which may have been sitting on the shelf for a while.

How long do homemade granola bars last? ›

In general, most homemade granola bar recipes will last up to a week when stored in an airtight container.

How do you package homemade granola for gifts? ›

As for packing the granola and shipping, anything airtight will do, but I would stay away from glass since there's the risk that it might break. You might want to consider packing the granola in a resealable plastic bag, and then placing that into a metal or plastic container so it doesn't get crushed.

How do you get homemade protein bars to stick together? ›

A few other common ingredients are whole nuts and seeds, grains like oats and crispy cereal (which offer fiber and a granola bar–like texture), cocoa powder or chocolate chips, and liquid sweeteners like maple syrup or honey, which help your bars stick together and taste delicious.

Why is my homemade granola sticky? ›

I aim to let it hit room temperature, whatever that may be; the real point is to give it ample time to shed excess heat and steam. This should take about 45 minutes; if left out indefinitely, the granola can turn sticky or soft, so do try to put it away as soon after cooling as you can.

How do you tamp granola? ›

Get as clumpy as you like.

First, press the granola into an even layer before you put it in the oven. Then, stir it only once halfway through cooking. For really good clumps, press down on the finished granola before it cools and avoid jostling it on the pan until cooled completely.

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