Peanut Butter Oatmeal Bars are soft and chewy with a delightful chocolate peanut butter topping. These no-bake treats are perfect for the holidays, an afternoon snack, or a simple dessert. The combination of creamy peanut butter and wholesome oats makes them a nutritious choice that satisfies your sweet tooth without the guilt. Let’s dive into how to make these delicious bars!
Why You’ll Love This Peanut Butter Oatmeal Bars
There are countless reasons to enjoy these Peanut Butter Oatmeal Bars. First, they are incredibly easy to make, requiring no baking at all. Second, they are packed with wholesome ingredients, making them a nutritious option, especially when compared to store-bought snacks. Third, you can easily customize these bars to fit your dietary needs, whether you prefer them vegan or gluten-free. Additionally, they are great for meal prep, allowing you to whip up a batch for the week. You can enjoy them as Oatmeal Peanut Butter Snacks or Peanut Butter Oatmeal Treats for a quick pick-me-up. Finally, these bars are rich in protein and healthy fats, making them a satisfying option to keep you energized throughout the day. With a total time of 70 minutes, including prep, these bars fit perfectly into your busy schedule.
Ingredients for Peanut Butter Oatmeal Bars
Gather these items:
- ½ cup salted butter
- 1 cup creamy peanut butter
- ¾ cup light brown sugar (packed)
- ¼ teaspoon fine sea salt
- 1 teaspoon pure vanilla extract
- 2 ½ cups quick-cooking oats
- 1 cup semisweet chocolate (chips, bars, discs)
- ½ cup creamy peanut butter
How to Make Peanut Butter Oatmeal Bars Step-by-Step
- Step 1: Line an 8×8” square baking dish with parchment paper and set aside.
- Step 2: In a large, microwave-safe dish, melt chocolate chips and peanut butter together. Start by heating for 60 seconds, then stir and heat in 30-second intervals until completely melted and smooth. Set aside.
- Step 3: In a medium saucepan over medium heat, melt the butter and peanut butter together.
- Step 4: Stir in the brown sugar and sea salt until well combined.
- Step 5: Add the vanilla extract and stir until fully incorporated.
- Step 6: Turn the heat to low and add the oats. Cook on low for 1 to 2 minutes, or until the mixture has slightly thickened.
- Step 7: Press the peanut butter oatmeal layer into the bottom of the prepared pan using a spatula or the back of a measuring cup.
- Step 8: Pour the melted chocolate topping over the peanut butter layer.
- Step 9: Let the bars sit at room temperature or place them in the refrigerator until the top is set.
- Step 10: Cut into squares and serve.
Pro Tips for the Perfect Peanut Butter Oatmeal Bars
Keep these in mind:
- This recipe takes no baking time, making it a quick and easy option.
- Store bars in an airtight container for up to a week to maintain freshness.
- For a nut-free version, substitute peanut butter with sunflower seed butter.
- Feel free to add some chocolate chips or dried fruits for extra flavor and texture.

Best Ways to Serve Peanut Butter Oatmeal Bars
There are many delicious ways to enjoy these bars. They can be served as a healthy dessert after dinner or as a mid-afternoon snack alongside a glass of milk or a cup of coffee. You might even consider pairing them with some fresh fruit for a complete snack. These Nutty Oatmeal Bars can also be crumbled over yogurt for a delightful breakfast or lunch option.
How to Store and Reheat Peanut Butter Oatmeal Bars
To keep your bars fresh, store them in an airtight container. These bars can last for up to a week, making them perfect for meal prep. If you need to reheat them, simply pop them in the microwave for a few seconds. However, they are just as delicious served cold!
Frequently Asked Questions About Peanut Butter Oatmeal Bars
What’s the secret to perfect Peanut Butter Oatmeal Bars?
The secret lies in the balance of ingredients. Use quality peanut butter and ensure you measure your oats accurately to maintain the right texture. Adding a touch of salt enhances the flavor beautifully.
Can I make Peanut Butter Oatmeal Bars ahead of time?
Absolutely! These bars are perfect for making ahead. Just store them in an airtight container in the fridge, and they’ll be ready for snacks anytime throughout the week.
How do I avoid common mistakes with Peanut Butter Oatmeal Bars?
To avoid common mistakes, ensure that you don’t overheat the chocolate topping and that you allow the bars to cool completely before cutting. This helps to achieve the best consistency.
Variations of Peanut Butter Oatmeal Bars You Can Try
If you want to switch things up, consider these variations:
- Add protein powder to create High-protein Peanut Butter Oatmeal Bars.
- Include chopped nuts or seeds for added crunch.
- Substitute the chocolate topping for a yogurt drizzle for a lighter option.
- Experiment with different flavor extracts, like almond or coconut.


Peanut Butter Oatmeal Bars: 7 Reasons to Love This Treat
- Total Time: 70 minutes
- Yield: 16 bars 1x
- Diet: Vegetarian
Description
Peanut Butter Oatmeal Bars are soft and chewy with a chocolate peanut butter topping. They’re an easy to make, no bake treat perfect for the holidays, an afternoon snack or an easy dessert.
Ingredients
- ½ cup salted butter
- 1 cup creamy peanut butter
- ¾ cup light brown sugar (packed)
- ¼ teaspoon fine sea salt
- 1 teaspoon pure vanilla extract
- 2 ½ cups quick-cooking oats
- 1 cup semisweet chocolate (chips, bars, discs)
- ½ cup creamy peanut butter
Instructions
- Line an 8×8” square baking dish with parchment paper, set aside.
- In a large, microwave safe dish, melt chocolate chips and peanut butter. Start by heating for 60 seconds, then stir and heat in 30 second intervals until completely melted and smooth. Set aside.
- Melt butter and peanut butter in a medium saucepan over medium heat.
- Stir in brown sugar and sea salt.
- Add vanilla and stir until combined.
- Turn heat to low and add oats. Cook on low for 1 to 2 minutes, or until ingredients have slightly thickened.
- Press the peanut butter oatmeal layer into the bottom of the prepared pan with a spatula or the back of a measuring cup.
- Pour the chocolate topping over the peanut butter layer.
- Let sit at room temperature or in the refrigerator until the top is set.
- Cut and serve.
Notes
- This recipe takes no baking time. <li.Store bars in an airtight container for up to a week.
- For a nut-free version, use sunflower seed butter instead of peanut butter.
- Prep Time: 15 minutes
- Cook Time: 5 minutes
- Category: Dessert
- Method: No Bake
- Cuisine: American
Nutrition
- Serving Size: 1 bar
- Calories: 345
- Sugar: 15 g
- Sodium: 200 mg
- Fat: 23 g
- Saturated Fat: 10 g
- Unsaturated Fat: 8 g
- Trans Fat: 0 g
- Carbohydrates: 30 g
- Fiber: 3 g
- Protein: 8 g
- Cholesterol: 20 mg
