Peanut Butter Baked Oatmeal

An easy make-ahead breakfast with less than 10 minutes prep time! This peanut butter baked oatmeal is made with rolled oats, cinnamon, peanut butter and is extra delicious when topped with chocolate chips.

Why I Love This Recipe

This oatmeal is the perfect make-ahead breakfast that can be prepped on a Sunday and enjoyed throughout the week, or even frozen to be enjoyed at a later date. 

Requiring less than 10 minutes of prep time and 45-55 minutes in the oven, it’s so easy to make and is beyond delicious. 

It is loaded with ooey-gooey peanut butter and has a hearty texture that is warm and comforting. It’s made with rolled oats, chia seeds for a boost of fiber, and is filled with chocolate chips (plus more on top!). 

If you know me, you know I love baked oatmeal and if you’ve never made it before, you’re in for a treat. I highly recommend adding this to your breakfast routine to make weekday mornings easier. 

Check out my Check out my Apple Pie Baked Oatmeal and Peach Baked Oatmeal for some inspiration on other variations.  

Ingredients You’ll Need

Notes on Ingredients

butter: flavor enhancer

eggs: act to bind all of the ingredients together

maple syrup: provides some sweetness

vanilla: enhances the flavor and also gives a touch of sweetness

peanut butter: the star of the show! i used creamy, unsalted but use whichever variety you have on hand!

almond milk: I use almond milk for it’s mild, neutral taste but you can swap it with cow’s milk or your favorite non-dairy milk alternative

rolled oats: I like using rolled oats in baked oatmeal since they retain their texture well with baking. If you want to make a gluten-free version, be sure to grab certified gluten-free rolled oats. 

cinnamon: adds a bold, slightly sweet and warming flavor

baking powder: helps the oatmeal rise in the oven and contributes to the light, fluffy texture 

chia seeds: add a little bulk to the oatmeal and helps provide a creamy texture. Chia seeds also provide a boost of protein, fiber, and healthy fat

salt: essential flavor enhancer

chocolate chips: I use semi-sweet chocolate chips but you can substitute for dark chocolate chips, chocolate chunks, or any chopped up chocolate bar

Nutrition Benefits of Oats

Oats are a nutritious whole grain that are rich in many vitamins and minerals including manganese, phosphorous, copper, B vitamins, iron, selenium, magnesium, and zinc.

They are high in soluble fiber and have been linked to many health benefits like lowering cholesterol, reducing the risk of hypertension, diabetes, and cardiovascular disease, and promoting a healthy gastrointestinal tract. 

Equipment You’ll Need (affiliate links – if you make a purchase I receive a small commission)

Mixing Bowl

Baking Dish

How to Make Peanut Butter Baked Oatmeal

1. Prepare baking dish. Preheat oven to 350 degrees F and grease 9-inch square or 11×7 baking dish.
2. Combine wet ingredients. Whisk melted butter, eggs, maple syrup, vanilla, peanut butter and almond milk in a large mixing bowl until combined.
3. Add dry ingredients. Add rolled oats, cinnamon, baking powder, chia, salt and 1/4 cup chocolate chips and stir until combined.
4. Pour the mixture. Pour mixture into prepared baking dish and top with remaining 1/4 cup chocolate chips.
5. Bake and serve. Bake until center of oatmeal is set, about 45-55 minutes then let cool for at least 10-15 minutes on a wire rack before serving.

Expert Tips

1. Make this a make-ahead breakfast! Mixture can be made ahead of time (like on a Sunday!) and stored overnight in the fridge. Let sit out at room temperature while the oven preheats and stir mixture before baking. Bake in the morning and you’ve got breakfast for the entire week! 
2. For an extra boost of protein, top it with Greek yogurt! Other topping ideas include whipped cream, maple syrup, honey, and a dash of cinnamon. 

Storage and Preparation

Leftovers can be stored in an airtight container in the refrigerator for up to 4 days. Reheat in microwave for 1-2 minutes with a little splash of almond milk or milk.

Baked oatmeal is also freezer-friendly. To store in the freezer, bake as directed, let cool completely, then I recommend cutting it into squares and placing the portions in an airtight container. If you want to take an extra step, you could wrap each portion in plastic wrap before putting it in the container. Store in the freezer for up to 3 months. When ready to eat, you can pop it right on a microwave safe dish and in the microwave for about 1-2 minutes. 

Recipes That Pair Well

Veggie Egg Bites

Make Ahead Freezer Veggie Breakfast Sandwiches

Strawberry Basil Avocado Toast

Air Fryer Eggs

Thanksgiving Breakfast Frittata

For more peanut butter inspiration, check out my other recipes below!

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Peanut Butter Baked Oatmeal

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(1 votes, average: 5.00 out of 5)
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5 from 1 review

• Author: Kara Lydon
• Total Time: 53 minutes
• Yield: 6 servings 1x
• Diet: Gluten Free

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Description

An easy make-ahead breakfast with less than 10 minutes prep time! This peanut butter baked oatmeal is made with rolled oats, cinnamon, peanut butter and is extra delicious when topped with chocolate chips.

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Ingredients

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• 2 tablespoons butter, melted
• 2 eggs
• 1/3 cup maple syrup
• 2 teaspoons vanilla
• 1/2 cup peanut butter
• 2 cups almond milk
• 2 cups rolled oats
• 2 teaspoons cinnamon
• 1 teaspoon baking powder
• 1 tablespoon chia seeds
• 1/2 teaspoon salt
• 1/2 cup chocolate chips, divided (optional)

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Instructions

1. Preheat oven to 350 degrees F. Grease 9-inch square or 11×7 baking dish.
2. In a large bowl, whisk melted butter, eggs, maple syrup, vanilla, peanut butter and almond milk until combined.
3. Add rolled oats, cinnamon, baking powder, chia, salt and 1/4 cup chocolate chips and stir until combined.
4. Pour mixture into prepared baking dish and top with remaining 1/4 cup chocolate chips.
5. Bake until center of oatmeal is set, about 45-55 minutes.
6. Let cool for at least 10-15 minutes on a wire rack before serving (oatmeal will continue to set while it cools).

Notes

1. This recipe is naturally gluten-free however rolled oats may contain traces of gluten so if you have Celiac / gluten allergy, be sure to look for certified gluten-free oats.

• Prep Time: 8 minutes
• Cook Time: 45 minutes
• Category: Breakfast
• Method: Bake