Easy Blueberry Baked Oatmeal Recipe

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Mix oats with blueberries, almonds, and maple syrup, bake for 35 minutes. Makes 9 servings, perfect for meal prep. Gluten-free and naturally sweetened.
Casey
Updated on Fri, 07 Feb 2025 18:20:32 GMT
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Transform your morning routine with this soul-warming blueberry baked oatmeal that combines the heartiness of old-fashioned oats with bursts of juicy blueberries. This breakfast masterpiece emerged from countless mornings of experimenting with different combinations until finding the perfect balance of textures and flavors. The natural sweetness of ripe bananas complements the warm hints of cinnamon and vanilla, while sliced almonds add a delightful crunch that makes every bite memorable.

After serving this at countless family brunches, I've discovered that even those who claim not to enjoy oatmeal find themselves coming back for seconds. The texture is completely different from stovetop oatmeal, creating a cake-like consistency that transforms skeptics into believers.

Essential Ingredients Guide

  • Old-Fashioned Rolled Oats: Choose thick-cut, whole grain oats for the best texture. Quick oats won't provide the same satisfying result
  • Ripe Bananas: Look for bananas with plenty of brown spots - they're sweeter and more flavorful
  • Blueberries: Fresh or frozen work equally well, but frozen often provide more consistent results year-round
  • Pure Maple Syrup: The real thing makes a significant difference in flavor. Avoid artificial syrups
  • Milk: Any variety works, but whole milk creates the richest texture
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Perfect Path To Success

Preparation Steps:
Preheat your oven until it reaches the perfect baking temperature
Combine wet ingredients first:
Ensuring the banana is well mashed
Fold in dry ingredients gently:
To maintain optimal texture
Layer blueberries strategically:
Throughout the mixture

My journey with this recipe began during a chilly winter morning when I craved something warm and comforting but didn't want traditional oatmeal. After several attempts at perfecting the texture, this version emerged as our family favorite, particularly beloved by my youngest who nicknamed it "blueberry cake breakfast."

The Art Of Perfect Oatmeal

Understanding the science behind baked oatmeal helps create the perfect texture every time. The oats absorb liquid while baking, creating a custard-like consistency that's entirely different from stovetop oatmeal. This transformation happens gradually, allowing the flavors to meld beautifully.

Serving Suggestions

Enjoy warm squares drizzled with additional maple syrup and a dollop of Greek yogurt. For special occasions, add a sprinkle of toasted almonds and fresh blueberries on top. During warmer months, serve it chilled with a splash of cold milk for a refreshing twist.

Creative Variations

Transform this basic recipe by swapping blueberries for other fruits like raspberries or diced apples. Change up the spice profile by adding cardamom or ginger. For extra protein, stir in your favorite nut butter before baking.

Storage Secrets

Store cooled portions in an airtight container for up to five days in the refrigerator. For longer storage, wrap individual portions and freeze for up to three months. Thaw overnight in the refrigerator and warm gently before serving.

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Professional Chef Tips

  • Rest the mixture for 10 minutes before baking to allow the oats to begin absorbing liquid
  • Create pockets of berries throughout by layering the mixture
  • Tent with foil if the top browns too quickly
  • Check doneness by gently pressing the center - it should spring back slightly

Years of perfecting this recipe have taught me that baked oatmeal is more than just breakfast - it's a canvas for creativity and a way to bring warmth to chilly mornings. The combination of juicy blueberries, tender oats, and warm spices creates something truly special that transforms ordinary ingredients into an extraordinary start to your day. Whether enjoyed fresh from the oven or prepared ahead for busy mornings, this baked oatmeal proves that healthy can be both convenient and delicious.

Frequently Asked Questions

→ Can I make this ahead?
Yes, it keeps well in the fridge for up to a week or freezer for 3 months. Reheat individual portions in the microwave.
→ How do I make this vegan?
Replace eggs with flax eggs (2 tbsp ground flax + 5 tbsp water), use plant-based milk, and coconut oil instead of butter.
→ Can I use different fruit?
Yes, try raspberries, strawberries, or diced apples. Fresh or frozen fruit both work well.
→ Is this recipe meal-prep friendly?
Absolutely! It reheats beautifully and can be portioned into individual servings for the week.
→ Can I reduce the sugar?
Yes, reduce maple syrup to 3 tablespoons or rely on the natural sweetness from the banana and berries.

Healthy Blueberry Baked Oatmeal

A warm and comforting breakfast casserole filled with blueberries, almonds, and naturally sweetened with maple syrup.

Prep Time
10 Minutes
Cook Time
35 Minutes
Total Time
45 Minutes
By: Casey


Difficulty: Easy

Cuisine: American

Yield: 9 Servings

Dietary: Vegetarian, Gluten-Free

Ingredients

→ Dry Ingredients

01 2 3/4 cups old fashioned rolled oats
02 1 1/2 tablespoons chia seeds (optional)
03 1 teaspoon baking powder
04 1/4 teaspoon fine salt
05 1/2 teaspoon ground cinnamon
06 1/4 teaspoon ground nutmeg

→ Wet Ingredients

07 1/3 cup maple syrup or honey
08 1 ripe banana, mashed (about 1/2 cup)
09 2 large eggs
10 1 1/2 cups milk of choice
11 1/4 cup melted unsalted butter or coconut oil
12 2 teaspoons pure vanilla extract

→ Mix-ins

13 1/4 cup sliced or chopped almonds, plus more for topping
14 1 1/2 cups frozen blueberries

Instructions

Step 01

Preheat oven to 375°F and spray a 9x9 or 8x8-inch baking dish with cooking spray.

Step 02

Combine all ingredients in a bowl and mix well until everything is evenly incorporated.

Step 03

Pour mixture into prepared baking dish. Add extra frozen berries and sliced almonds on top if desired.

Step 04

Bake for 30-35 minutes until the center is set. Let cool for 10 minutes before serving.

Notes

  1. Can be made egg-free by using 2 tablespoons ground flax mixed with 5 tablespoons water
  2. Keeps in fridge for up to 1 week or freezer for 3 months
  3. Can use fresh or frozen blueberries

Tools You'll Need

  • 9x9 or 8x8-inch baking dish
  • Large mixing bowl
  • Measuring cups and spoons

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains eggs
  • Contains nuts (almonds)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 245
  • Total Fat: 10 g
  • Total Carbohydrate: 33 g
  • Protein: 6 g