Peanut Butter Baked Oatmeal

Name: Peanut Butter Baked Oatmeal
Prep time: 5 min
Cook time: 35 min
Ingredients: 3 cups rolled oats; 2 cups milk (dairy or non-dairy); 4 eggs; 1/2 cup peanut butter; 1/3 cup maple syrup; 2 tablespoons chia seeds; 1 teaspoon vanilla; 1 teaspoon baking powder

Jump to Recipe

This post may contain affiliate links. As an Amazon Associate, I earn from qualifying purchases.

Peanut butter baked oatmeal has a rich, hearty flavor and the perfect cakey texture. It’s easy to make with simple ingredients, and is a nourishing breakfast the whole family will love.

Top view of peanut butter baked oatmeal in a baking dish topped with peanut butter, roasted peanuts, and whipped cream.

Quick Look at the Recipe

🍽️ Flavor: Hearty peanut butter
⏱️ Prep Time: 5 minutes
🔥 Cook Time: 35 minutes
🕒 Ready In: 40 minutes
👥 Servings: 6 people
🥣 Main Ingredients: Rolled oats, peanut butter, milk, maple syrup
📋 Method: Bake at 350
📖 Dietary Info: Gluten-free, dairy-free option, egg-free option, refined sugar-free
❄️ Freezer Friendly: Yes!
👩‍🍳 Tip: This recipe is naturally sweetened with maple syrup, and it also adds a subtle rich flavor.

Woman smiling while standing in a sunny room.

Healthy Never Tasted So Good

One of my favorite things to do is take a recipe and make it healthier and more delicious at the same time. It’s not always possible to do both at once, but this baked oatmeal is one of those times where taste and nourishment come together perfectly.

It’s made with extra eggs (compared to traditional baked oatmeal), chia seeds, and peanut butter for added protein and no refined sugar!

I also love how easy it is to make in advance, and I’ll often make it for my husband to reheat in the mornings before he goes to work. After struggling with Crohn’s, breakfasts can be tricky for him, and this has become his favorite way to start the day with plenty of energy.

Ingredients

Rolled oats – Not quick oats. I love using sprouted oats, but regular rolled oats are good too.
Peanut butter – I used natural, unsweetened peanut butter.
Milk – Dairy or non-dairy. In this recipe, coconut milk is my favorite dairy alternative, however, any other milk would work as well.
Eggs
Maple syrup – Honey would work too, however, it’s best to avoid heating honey which is why I opted for syrup when creating this recipe.
Chia seeds – Optional. You could also swap for flax seeds if you prefer.

Egg-Free Option

You can leave out the eggs and use one very ripe mashed banana instead.

Tools Needed

9″ x 13″ baking dish

Step-By-Step Instructions

Mixing bowl with peanut butter baked oatmeal batter.

Step 1: First, preheat your oven to 350 and grease the bottom and sides of a 9″x13″ baking dish.

In a large mixing bowl, whisk together the oats, baking powder, and chia seeds, and then stir in the milk, eggs, peanut butter, maple syrup, and vanilla.

Unbaked peanut butter oatmeal in a baking dish.

Step 2: Pour the mixture into your baking dish, and bake for 30-35 minutes or until it’s set and the edges are just beginning to turn golden brown. Enjoy!

Peanut butter baked oatmeal drizzled with peanut butter and topped with roasted peanuts and whipped cream on a wood table.

For the dessert-for-breakfast version of this recipe, check out my chocolate baked oatmeal!

Tips for Success

Stir until just combined – Over-mixing can create a gummy texture.

Adjust baking time – If you prefer a soft, custard-like texture, bake for 25-30 minutes, but if you want to slice it like a cake, bake 35-40 minutes.

Violet’s Tips for Serving

For an extra-special treat, top with roasted peanuts and unsweetened whipped cream and drizzle with peanut butter.

FAQs

Can I prep baked oatmeal in advance?

Yes, you can make baked oatmeal up to 5 days in advance or cut into squares and freeze for 2-3 months.

I don’t recommend mixing the batter long before baking as the oats will soak up more of the liquid and create a denser, more custardy texture.

Are baked oats really healthy?

Yes, baked oats are full of fiber and various other nutrients making them a fantastic healthy breakfast. This recipe also includes other nutrient-dense ingredients such as eggs and chia seeds to create a filling, well-rounded dish.

What does adding eggs do to baked oatmeal?

In addition to increasing nutrition, eggs improve the rise and help bind the oatmeal together to create a soft, cake-like texture.

If you use a banana instead of eggs, it will help bind the oatmeal together, but the dish will have less rise and a denser texture.

If you try this recipe, snap a photo and tag me on Instagram @violet_rightathome