Why You’ll Love This Recipe

Packed with peanut butter flavor – Three types of peanut butter ensure a rich and indulgent taste.
Easy to make – Simple ingredients and quick preparation make this a no-fuss recipe.
Perfect for meal prep – These bars store well and are great for grab-and-go snacks.
Naturally satisfying – The combination of oats and peanut butter provides long-lasting energy.
Customizable – Add chocolate chips, nuts, or dried fruit for extra texture and flavor.

Ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

Old-fashioned oats
Creamy peanut butter
Crunchy peanut butter
Powdered peanut butter
Honey or maple syrup
Vanilla extract
Salt
Baking powder
Eggs
Milk
Optional mix-ins: chocolate chips, chopped nuts, dried fruit

Directions

Preheat the oven to 350°F (175°C) and grease a baking dish.
Mix dry ingredients – In a large bowl, combine oats, powdered peanut butter, salt, and baking powder.
Combine wet ingredients – In another bowl, whisk together creamy peanut butter, crunchy peanut butter, honey (or maple syrup), eggs, milk, and vanilla extract until smooth.
Combine the mixtures – Pour the wet ingredients into the dry ingredients and stir until fully incorporated. If using mix-ins, fold them in at this stage.
Transfer to baking dish – Spread the batter evenly into the prepared baking dish.
Bake for 20-25 minutes, or until the edges are golden and the center is set.
Cool and cut – Allow the bars to cool before slicing into squares.

Servings and Timing

Servings: 12 bars
Prep time: 10 minutes
Cook time: 20-25 minutes
Total time: 30-35 minutes

Variations

Chocolate twist – Stir in chocolate chips or drizzle melted chocolate on top.
Nutty crunch – Add chopped almonds, pecans, or walnuts for extra texture.
Fruit-infused – Mix in dried cranberries, raisins, or chopped dates.
Protein boost – Add a scoop of vanilla or chocolate protein powder.
Gluten-free option – Use certified gluten-free oats.

Storage/Reheating

Room temperature – Store in an airtight container for up to 3 days.
Refrigerator – Keep in the fridge for up to a week for extended freshness.
Freezer – Wrap bars individually and freeze for up to 3 months. Thaw overnight in the fridge or warm slightly in the microwave.

FAQs

How can I make these bars dairy-free?

Use almond milk, oat milk, or any non-dairy alternative in place of regular milk.

Can I use quick oats instead of old-fashioned oats?

Yes, but the texture will be slightly softer and less chewy.

What’s the best way to cut the bars cleanly?

Let them cool completely and use a sharp knife to slice them into even squares.

Can I use natural peanut butter?

Absolutely! Just make sure to stir it well before using, as natural peanut butter can separate.

How do I make these bars even healthier?

Use a natural sweetener like mashed bananas or unsweetened applesauce instead of honey.

Can I make these bars without eggs?

Yes! Substitute flax eggs (1 tablespoon ground flaxseed mixed with 3 tablespoons water per egg).

What size baking dish should I use?

An 8×8-inch or 9×9-inch pan works best for thick, chewy bars.

Can I add protein powder?

Yes, mix in a scoop of your favorite protein powder and adjust the liquid as needed.

Are these bars kid-friendly?

Definitely! They are naturally sweetened and full of peanut butter goodness that kids love.

How do I prevent the bars from being too dry?

Make sure to measure ingredients accurately and avoid overbaking. You can also add an extra tablespoon of milk for a softer texture.

Conclusion

Triple Peanut Butter Oatmeal Bars are the ultimate treat for peanut butter lovers! Easy to make, nutritious, and incredibly satisfying, these bars are great for breakfast, snacks, or dessert. Customize them with your favorite mix-ins and enjoy a wholesome homemade snack anytime.

Triple Peanut Butter Oatmeal Bars

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Indulge in these irresistible Triple Peanut Butter Oatmeal Bars—packed with peanut butter, peanut butter chips, and chopped peanuts for the ultimate nutty delight. Perfect for breakfast, snack time, or dessert!

Author: Emily
Prep Time: 10 minutes
Cook Time: 25 minutes
Total Time: 35 minutes
Yield: 24 bars
Category: Dessert
Method: Baking
Cuisine: American
Diet: Vegetarian

Instructions

Preheat oven to 350°F (175°C) and line a 9×13 inch baking pan with parchment paper.
In a large bowl, mix together melted butter, peanut butter, brown sugar, and granulated sugar until smooth.
Beat in eggs one at a time, then stir in vanilla extract.
In a separate bowl, whisk together flour, oats, baking soda, and salt. Gradually mix dry ingredients into wet ingredients until just combined.
Fold in peanut butter chips and chopped peanuts.
Spread batter evenly into prepared pan. Bake for 20-25 minutes, or until golden brown and a toothpick inserted into the center comes out clean.
Let bars cool completely in the pan before slicing into squares.

Notes

For a little extra indulgence, drizzle melted chocolate over the top of the cooled bars.
You can swap out the peanut butter chips for chocolate chips for a chocolate-peanut butter combo.
Store bars in an airtight container at room temperature for up to a week.