
Why This Oatmeal Bake Is Healthy (and Worth Making)
Fiber‑Rich Ingredients
Whole oats, applesauce, chia seeds, flaxseeds, and blueberries all add natural fiber to support gut health, fullness, and steady digestion.
Healthy Fats
Chia seeds, flaxseeds, and avocado oil provide plant‑based omega‑3s and monounsaturated fats that help keep you full and support stable glucose levels and heart health.
Low in Added Sugar
Only 2 tablespoons of maple syrup in the entire recipe - just 2.5 grams added sugar per serving - making it a naturally sweet, low‑sugar breakfast option.
Naturally Sweetened
Blueberries add natural sweetness, antioxidants, and extra fiber, reducing the need for added sugar while boosting flavor and nutrition.
Steady Energy + Blood Sugar Support
Whole oats digest slowly, and when paired with healthy fats and fiber, they help keep blood sugar steady and keep you satisfied longer.
Perfect for Meal Prep
- Makes 9 hearty servings, stores beautifully, and reheats like a dream - ideal for busy mornings when you want a nourishing breakfast ready to go.
Ingredients:

Ingredients:
Rolled oats
Baking powder
Cinnamon
Salt
Chia seeds
Flax seeds
Avocado oil
Almond milk
Maple syrup
Apple sauce, unsweetened
Egg
Blueberries
Ingredient Substitutions:
Substitution Guide
Oats
Rolled oats work best, but you can substitute:
- Quick oats for a softer, cake‑like texture
- Steel‑cut oats only if pre‑soaked overnight
- Quinoa or buckwheat flakes for a gluten‑free alternative with a softer texture
Milk
Any milk works 1:1 - dairy or non‑dairy. Almond, oat, soy, coconut, cashew, or regular dairy milk all work well.
Avocado Oil
Swap with:
- Melted coconut oil
- Olive oil (light flavor)
- Melted regular or vegan butter
Maple Syrup
Replace with:
- Honey (not vegan)
- Agave syrup
- Coconut sugar (add 1-2 tablespoon extra milk)
- Monk fruit or stevia (add 1-2 tablespoon extra milk)
Applesauce
If you don't have applesauce on hand, replace the moisture with:
- ¼ cup extra milk
- 1 tablespoon extra oil
Or substitute with: - Mashed banana
- Pumpkin purée
- Pear purée
- Yogurt
Egg
To make the recipe vegan or egg‑free:
- 1 flax egg (1 tablespoon ground flax + 3 tablespoon water)
- 1 chia egg (1 tablespoon chia + 3 tablespoon water)
- ¼ cup mashed banana
- ¼ cup applesauce
- Store‑bought egg replacer
Chia & Flax Seeds
If you only use one chia or flax, you can simply double the serving for the one you're using. If you don't have both or want to obmit:
- Reduce milk by 2-4 tablespoons
Fruit
A lot of fruits will work here with 1:1 swap!
Swap blueberries with:
- Raspberries
- Strawberries
- Blackberries
- Apples or pears
- Cherries
Frozen fruit works great - no need to thaw; just add 5-7 minutes to the bake time. I use frozen fruit most of the time!
Spices:
Cinnamon is options and can be swapped for: pumpkin spice, nutmeg, or cardamom or you can make your own creation of flavor!
Putting it together:

Step 1 - Preheat & Prep
Preheat your oven to 350°F. Lightly grease an 8×8 or 9×9 baking dish, or line it with parchment.
Texture Tip: A metal pan will give you a slightly firmer, more golden top. A glass dish bakes a little softer.
Step 2 - Mix the Dry Ingredients
In a large bowl, stir together:
- 2 cups rolled oats
- 1 teaspoon baking powder
- 1 teaspoon cinnamon
- ¼ teaspoon salt
- 2 tablespoons chia seeds
- 2 tablespoons flax seeds
Texture Tip: Make sure the baking powder is evenly mixed in - this helps the bake rise evenly and prevents dense spots.
Step 3 - Mix the Wet Ingredients
In a separate bowl, whisk:
- 1⅓ cups almond milk
- 2 tablespoons avocado oil
- 2 tablespoons maple syrup
- ½ cup unsweetened applesauce
- 1 large egg
Whisk until smooth.
Texture Tip: The wet mixture should look pourable and cohesive - if it looks separated or oily, whisk another 10-15 seconds.
Step 4 - Combine Wet & Dry
Pour the wet mixture into the dry ingredients and stir until everything is evenly coated.
Texture Tip: The batter should look loose and slightly runny. This is correct - the oats, chia, and flax will absorb moisture as it bakes. If it looks thick like cookie dough, add 1-2 tablespoons milk.
Step 5 - Fold in the Blueberries
Gently fold in 1½ cups blueberries.
Texture Tip: If using frozen berries, don't thaw - thawed berries release extra liquid and can make the center mushy.
Step 6 - Transfer to Baking Dish
Pour the mixture into your prepared baking dish and spread it evenly.
Texture Tip: The mixture should settle into the pan without needing to be pressed down. If it looks dry on top, drizzle 1-2 tablespoons milk over the surface.
Step 7 - Bake
Bake for 30-40 minutes, or until the center is set and the top is lightly golden.
Texture Tips:
- The center should feel firm but springy, not jiggly.
- If the edges are golden but the center still looks wet, cover loosely with foil and bake 5-10 more minutes.
- For a firmer, sliceable bake, lean toward the longer bake time.
Step 8 - Cool & Serve
Let cool for at least 10 minutes before slicing.
Texture Tip: Cooling helps the oats finish setting. Cutting too early can make the center seem softer than it really is.

Healthy Oatmeal Bake
Ingredients
- 2 cups rolled oats
- 1 teaspoon baking powder
- 1 teaspoon cinnamon
- ¼ teaspoon salt
- 2 tablespoons chia seeds
- 2 tablespoons flax seeds
- 2 tablespoons avocado oil
- 1 ⅓ cup almond milk
- 2 tablespoons maple syrup
- ½ cup apple sauce unsweetened
- 1 ½ cups blueberries fresh or frozen
- 1 large egg
Instructions
- Preheat oven to 350°F and grease an 8×8 pan.
- Mix oats, baking powder, cinnamon, salt, chia, and flax.
- Whisk milk, oil, maple syrup, applesauce, and egg.
- Combine wet and dry ingredients.
- Fold in blueberries.
- Pour into pan and bake 30-40 minutes. (add 5 minutes if using frozen fruit)
- Cool 10 minutes before slicing.






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