This Healthy Baked Oatmeal for Weight Loss is just 310 calories for a large portion, and it comes with 5 protein boost add ins.
I like to make this baked oatmeal casserole for large crowds, or for meal prep breakfasts. It holds well in the fridge for 5 days can can be quickly reheated in the microwave in single servings.


Plus, this low calorie baked oats recipe can be made with a mix of berries, or just one of your favorite berries. Pick your favorites and add those. This recipe is completely customizable!
And with 5 ways to boost protein (including directions on adding protein powder) this healthy recipe is great for all diets.
Healthy Baked Oatmeal for Weight Loss
What You’ll Find in this Article:


Ingredients in Low Calorie Baked Oatmeal
I made this baked oatmeal vegan and gluten-free friendly! Simply choose vegan eggs and vegan milk, and gluten-free oats to make a gluten-free vegan oatmeal bake.
You can easily boost the protein in this healthy oatmeal bake! Try adding one or two of these optional add-ins…
Protein Boosters for Baked Oatmeal Recipes:
- Remove 1/2 cup of oats and replace it with 4 scoops vanilla protein powder
- Top each serving with 1/4 cup vanilla yogurt or green yogurt
- Add 1/2 cup chopped pecans, almonds, or your favorite nuts to the recipe
- Use Protein Almond Milk in place of the milk
- Heat the milk, and mix in 4 scoops of collagen powder or protein powder before adding to the recipe


Shopping List for Low Calorie Oatmeal Bake Recipes:
- Olive oil spray
- Old-fashioned oats (or gluten-free oats)
- Cinnamon
- Baking powder
- Salt
- Milk (almond milk, coconut milk, oat milk or cow’s milk)
- Keto maple syrup (or regular maple syrup)
- Large eggs (or vegan eggs)
- Coconut oil
- Vanilla extract
- Berries (blueberries, raspberries, sliced strawberries, blackberries choose your favorite or use a mix of all)
How to Make Low Calorie Baked Oats
This healthy baked oatmeal can be tossed together quickly and easily. It does take a while to bake, but you can get ready, help the kids finish homework and read the paper while it bakes.
You can also make this baked oatmeal recipe ahead of time, and reheat single servings in the microwave. Or cover with foil and reheat in the oven at 300 degrees for 20 minutes.


How to Make Low Calorie Baked Oatmeal:
- Preheat oven to 375°F and spray a 9×9 baking dish with olive oil.
- Combine the oats, cinnamon, baking powder, and salt in a large mixing bowl. Stir to combine.
- Add the coconut oil, maple syrup, eggs, and milk and stir to combine. Add the berries (hold a few back for the top) and stir once more.
- Scoop the oat mixture into the prepared pan, top with more berries, and bake for 30-45 minutes.
- When the oatmeal is lightly browned, slightly crisp on top and around the edges it’s ready to come out of the oven. Remove from the oven and let cool for 10 minutes before serving.
- Slice into 6 servings and serve… we like to add vanilla yogurt to the top for protein and creaminess, yum!
Healthy Baked Oatmeal Recipe
Above, in the ingredients section I noted how to add protein with 5 protein boost add-ins… I have also supplied you the list in the nutrition section below the recipe card.
This healthy baked oatmeal with berries is just 310 calories and so easy to make for a large crowd, or for meal prep breakfasts.
More Low Calorie Oatmeal Recipes:


Low Calorie Baked Oatmeal
Equipment
- 9×9 baking dish
Ingredients
- Olive oil spray
- 3½ cups old-fashioned oats or gluten-free oats
- 2 teaspoons cinnamon
- 1 teaspoon baking powder
- ¾ teaspoon salt
- 1 ¾ cups milk (almond milk, coconut milk, oat milk or cow’s milk)
- ⅓ cup keto maple syrup or regular maple syrup
- 2 large eggs or vegan eggs
- 3 tablespoons melted coconut oil
- 2 teaspoons vanilla extract
- 2 cups berries (blueberries, raspberries, sliced strawberries, blackberries choose your favorite or use a mix of all)
Instructions
- Preheat oven to 375°F and spray a 9×9 baking dish with olive oil.
- Combine the oats, cinnamon, baking powder, and salt in a large mixing bowl. Stir to combine.
- Add the coconut oil, maple syrup, eggs, and milk and stir to combine. Add the berries (hold a few back for the top) and stir once more.
- Scoop the oat mixture into the prepared pan, top with more berries, and bake for 30-45 minutes.
- When the oatmeal is lightly browned, slightly crisp on top and around the edges it’s ready to come out of the oven. Remove from the oven and let cool for 10 minutes before serving.
- Slice into 6 servings and serve… we like to add vanilla yogurt to the top for protein and creaminess, yum!
Nutrition
Nutrition and Calories in Baked Oatmeal
One serving is a little over a cup, about 1 1/4 cup (1.25 cups)… And if you’re concerned with protein, I have some ideas to help you boost protein in this recipe for baked oatmeal.
Protein Boosters for this Low Calorie Baked Oatmeal Recipe:
- Remove 1/2 cup of oats and replace it with 4 scoops vanilla protein powder
- Top each serving with 1/4 cup vanilla yogurt or green yogurt
- Add 1/2 cup chopped pecans, almonds, or your favorite nuts to the recipe
- Use Protein Almond Milk in place of the milk
- Heat the milk, and mix in 4 scoops of collagen powder or protein powder before adding to the recipe


Important Note: As a reminder, at Lose Weight By Eating it is my goal to make you healthier, all-natural versions of your favorite recipes… not all will be “diet worthy” depending on the diet you are on. But they will be healthier versions to help curb your cravings.
More Weight Loss Recipes:






Lose Weight By Eating Cookbooks


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Article History:
- Originally written and published August 2, 2022 by Audrey Johns
- Updated on March 31, 2023 by Audrey Johns
- Updated on September 19, 2023 by Audrey Johns