Looking for a hearty breakfast that’s both delicious and nutritious? This Blueberry Baked Oatmeal with Blueberries Chia Jam is the perfect breakfast casserole to start your day! Packed with wholesome ingredients, natural sweetness from pure maple syrup, and a chewy texture from old-fashioned oats, this easy breakfast is great for busy mornings and meal prep. Let’s dive into this delicious baked oatmeal recipe that the whole family will love!
Baked oatmeal is the perfect dish to serve to hungry guests at breakfast.
Why You’ll Love This Blueberry Baked Oatmeal
- Easy to make – Just mix, bake, and enjoy!
- Perfect for meal prep – Store individual portions for quick breakfasts.
- Naturally sweetened – No refined sugar, just maple syrup and brown sugar.
- Versatile – Swap in your favorite fresh fruit, nuts, or toppings.
- Great for dietary needs – Easily make it dairy-free with non-dairy milk like oat milk or coconut milk.

Ingredients & Substitutions
Blueberry Baked Oatmeal Ingredients
- Plant milk: Use oat milk, soy milk, or unsweetened vanilla almond milk.
- Oats: Choose between rolled oats, quick oats, or old-fashioned oats.
- Blueberries: Frozen blueberries work best, but fresh blueberries are also great.
- Sweeteners: A mix of pure maple syrup and brown sugar adds extra sweetness.
- Nut butter: Peanut butter or almond butter gives richness and flavor.
- Vanilla extract: Adds depth and warmth.
- Ground flax: Helps bind everything together, acting like a flax egg.
- Cinnamon & baking powder: Enhances flavor and texture.
- Salt: Just a pinch balances the sweetness.

Chia Jam Ingredients
- Blueberries: Use fresh or frozen blueberries.
- Lemon juice: Brightens the flavor.
- Chia seeds: Helps thicken the jam.
- Maple syrup or honey: Adds a touch of natural sweetness.

Helpful Tools for This Recipe
- Large mixing bowl – For combining the wet ingredients and dry ingredients.
- 6×9 greased baking dish – Prevents sticking and ensures golden brown edges.
- Toaster oven or conventional oven – For baking to perfection.
- Small saucepan – For making the chia jam.
- Cooking spray or coconut oil – To grease the dish.
- Large spoon or spatula – To mix everything well.
How To Make This Blueberry Baked Oatmeal Step-by-Step Instructions
Making the Baked Oatmeal
- Preheat oven to 350°F.
- In a large bowl, mix plant milk, peanut butter, vanilla extract, maple syrup, and ground flax.

- Stir in oats, cinnamon, baking powder, brown sugar, and a pinch of salt.

- Fold in frozen blueberries.
- Pour the oat mixture into a greased baking dish.

- Bake for 35-40 minutes or until golden brown.
Preparing the Chia Jam
- In a small saucepan, add blueberries, lemon juice, maple syrup, and chia seeds.

- Cook on medium-low heat for 2-3 minutes, mashing the berries as they soften.

- Let it cool for at least 5 minutes – it will thicken as it cools.

Assembling and Serving
- Spread the chia jam evenly over the blueberry oatmeal bake.

- Serve warm with a dollop of Greek yogurt and a drizzle of maple syrup or melted butter.

- Store leftovers in an airtight container in the fridge. Enjoy the next morning!

Tips & Tricks for the Best Blueberry Baked Oatmeal
- For a crunch: Add crunchy pecans or almonds on top.
- Make it vegan: Use a chia egg instead of large eggs.
- Make-ahead option: Store in individual portions for quick breakfasts.
- Reheat options: Warm in the toaster oven or microwave for the next day.
- Customize it: Swap peanut butter for almond butter or add steel-cut oats for a different texture.
Baked Oatmeal FAQs
Both work well but have different benefits:
- Fresh berries: Maintain texture
- Frozen berries: More intense flavor
- Conversion: 1:1 ratio
Optimal storage:
- Airtight container
- Refrigerate up to 5 days
- Reheat at 350°F for 10 mins
Freezing instructions:
- Cool completely
- Slice into portions
- Wrap tightly
- Freeze up to 3 months
Alternative options:
- 1 tbsp ground flaxseed
- Simmer 5-7 mins longer
- Add ½ tsp cornstarch
Substitution notes:
- Use ¼ cup melted coconut oil
- Add 1 tbsp maple syrup for sweetness
- Texture will be less creamy

Blueberry Baked Oatmeal
Ingredients
Blueberry Baked Oatmeal
- 2 cups plant milk
- 2 cups rolled oats or quick oats
- 2 cups frozen blueberries no need to thaw
- ¼ cup pure maple syrup
- 2 tbsp brown sugar optional, but delicious!
- ⅓ cup all natural peanut butter
- 1 tsp vanilla extract
- ¼ cup ground flax
- 1 tsp cinnamon
- 1 tsp baking powder
- pinch of salt
Chia Jam Topping
- 1 ½ cups blueberries frozen or fresh
- 1 tsp lemon juice
- 2 tbsp chia seeds
- 1 tsp lemon juice
- 1 tbsp maple syrup or honey
Instructions
Oatmeal Bake
- Preheat oven to 350°.
- Add all ingredients for the blueberry baked oatmeal into a 6×9 baking dish. Stir well to combine, then bake for 35-40 mins.
Chia Jam
- In a small saucepan on medium heat, add blueberries, lemon juice, maple syrup and chia seeds.
- Mash the berries gently, and cook on medium-low heat for 2-3 mins. (if the berries are frozen, wait until they are thawed and then cook for 2-3 mins)
- Allow it to cool for at least 5 mins. It will thicken as it cools.
Assembly
- Add the chia jam on top of the baked oatmeal, and spread it evenly over top.
- Serve the baked oatmeal by itself, or with a dollop of greek yogurt and a drizzle of peanut butter. Enjoy!
Notes
Nutrition
Conclusion: Blueberry Baked Oatmeal
This Blueberry Baked Oatmeal with Blueberries Chia Jam is a great recipe for busy mornings. Made with wholesome ingredients, this delicious breakfast is full of natural sweetness. Whether you’re making it for meal prep or serving it fresh, this perfect breakfast is sure to become one of your favorite breakfast foods. Enjoy!