Sheet-Pan Blueberry Cottage Cheese Baked Oatmeal

When I discovered that breakfast could be both hearty and convenient, this sheet-pan twist on baked oatmeal with cottage cheese and blueberries quickly became my weekend favorite. It brings together the warm comfort of a traditional oat bake with the protein-packed goodness of cottage cheese, all in one easy-to-prep dish. Whether you’re feeding a crowd or meal-prepping for the week, this recipe is a simple, satisfying choice.

In this article, we’ll walk through everything you need to know to make this delicious, wholesome breakfast—from ingredients and step-by-step instructions to nutrition, storage, and creative variations. Let’s dive into why this high-protein sheet-pan baked oatmeal should be on your menu.

Why You’ll Love This Recipe

This dish is much more than just oatmeal—it’s a nutritious, high-protein breakfast bake that combines creamy cottage cheese, juicy blueberries, and warm spices into one cozy bite. Here’s why it’s a favorite:

Meal Prep Friendly: Make it once, enjoy it all week.
High Protein: Thanks to cottage cheese and eggs, each serving packs 16g of protein.
Refined Sugar-Free: Sweetened naturally with fruit, with optional maple syrup.
Family Friendly: Even picky eaters love it.
One-Pan Wonder: Minimal dishes and quick prep time.

What Is Sheet-Pan Baked Oatmeal?

Sheet-pan baked oatmeal is a twist on traditional oatmeal. Instead of stirring oats on the stove, you mix them with wet ingredients and bake everything in a pan—like a cake or casserole. It’s:

Convenient: Just mix and bake.
Portable: Great for breakfast on-the-go.
Customizable: Change up the flavors with different fruits or add-ins.

This version includes blueberries for sweetness and cottage cheese for creaminess and protein.

Ingredients You’ll Need

Sheet-Pan Blueberry Cottage Cheese Baked Oatmeal

Here’s what you need to recreate the baked oatmeal square just like the one in the image:

Dry Ingredients

2 cups rolled oats – Use old-fashioned oats for the best texture.
1 tsp cinnamon – Adds warmth and depth of flavor.
1 tsp baking powder – Helps it rise and gives it a cake-like texture.
Pinch of salt – Enhances all the other flavors.

Wet Ingredients

1 cup cottage cheese – Use full-fat or low-fat. This adds a creamy texture and extra protein.
2 large eggs – Helps bind everything together.
1½ cups milk – Use dairy or any plant-based milk like almond, oat, or soy.
1 tsp vanilla extract – Adds sweetness and warmth.

Fruit & Toppings

1 cup fresh blueberries – You can also use frozen (no need to thaw).
Optional maple syrup – A natural drizzle of sweetness to finish.

Pro Tip: If you want a sweeter base, stir 2–3 tablespoons of maple syrup or honey into the batter before baking.

How to Make Sheet-Pan Blueberry Cottage Cheese Baked Oatmeal

You’ll be amazed at how easy this recipe is. No mixer required, no stovetop, just mix and bake.

Step-by-Step Instructions

1. Prep the Oven and Pan

Preheat your oven to 375°F (190°C).
Lightly grease a 9×13-inch baking dish with cooking spray or a bit of oil.

2. Mix the Batter

In a large mixing bowl, whisk together:
- Rolled oats
- Cottage cheese
- Eggs
- Milk
- Vanilla extract
- Cinnamon
- Baking powder
- Pinch of salt
Whisk until well-combined and smooth.

3. Fold in the Blueberries

Gently fold in 1 cup of fresh blueberries.
Stir slowly to avoid crushing them too much.

4. Pour and Bake

Pour the mixture into the greased pan.
Use a spatula to spread it evenly across the surface.
Bake for 25–30 minutes, or until the top is golden brown and the center is set.

5. Cool and Slice

Let it cool for about 5 minutes.
Slice into 8 squares and serve warm or at room temperature.

6. Optional: Add Toppings

Drizzle with maple syrup for extra sweetness.
Top with extra fresh blueberries or a spoonful of Greek yogurt for added creaminess.

Storage and Reheating Tips

This dish is ideal for meal prep and busy mornings.

How to Store:

Store leftovers in an airtight container in the refrigerator.
Keeps well for up to 4 days.

How to Reheat:

Microwave a serving for 30 seconds or until warm.
Or, reheat in the oven at 325°F for 10–15 minutes if reheating the full pan.

Nutrition Information (Per Serving)

Each square of this baked oatmeal provides:

Calories: 300
Protein: 16g
Fat: 7g
Carbohydrates: 42g
Fiber: 4g
Sugar: 7g (from natural sources)

This makes it a balanced breakfast option that keeps you full, energized, and focused throughout the morning.

Ingredient Substitutions and Variations

Make this recipe your own with easy swaps and additions.

Substitutions:

Cottage cheese: Replace with Greek yogurt or ricotta cheese.
Eggs: Use flax eggs (1 tbsp ground flax + 3 tbsp water per egg) for a vegan option.
Milk: Any unsweetened plant milk works well.

Add-Ins:

Chopped nuts like almonds or walnuts for crunch.
Chia seeds or flaxseed for extra fiber.
Banana slices or grated apple for natural sweetness.

Flavor Variations:

Peach Almond: Swap blueberries for chopped peaches, add almond extract.
Apple Cinnamon: Use diced apples and increase cinnamon.
Chocolate Raspberry: Add cocoa powder and raspberries, top with dark chocolate chips.

Tips for the Best Baked Oatmeal

Don’t overmix the batter, especially after adding berries. You want whole, juicy bursts in every bite.
Let it rest for 5–10 minutes after baking—this helps it firm up for clean slicing.
Use quality oats for best texture; avoid instant oats, which can become mushy.

How to Serve It

This oatmeal bake is versatile enough to fit every breakfast mood.

Try it with:

A dollop of Greek yogurt or a swirl of nut butter.
A side of scrambled eggs or turkey bacon for a protein-packed plate.
A drizzle of honey or maple syrup for a sweet touch.
A sprinkle of toasted coconut flakes or granola for crunch.

You can also pack it in lunchboxes or serve it as an after-school snack for kids.

Is This Recipe Good for Meal Prep?

Absolutely! This recipe is perfect for meal prep and batch cooking. Make it on a Sunday and enjoy it throughout the week. It’s:

Freezer-friendly: Let it cool, wrap individual slices, and freeze.
Reheat-ready: Microwave from fridge or thaw overnight and reheat.

To freeze: wrap slices in foil or freezer-safe containers. Reheat in microwave for 1–2 minutes.

Benefits of Using Cottage Cheese in Baked Oatmeal

You may not think of cottage cheese as a typical oatmeal ingredient, but it’s a game-changer in this recipe. Here’s why:

High in Protein: Helps keep you full and supports muscle repair.
Creamy Texture: Melts slightly while baking, making the oatmeal soft and luscious.
Low in Sugar: No added sugars, unlike some flavored yogurts.

If you’re looking to add more protein to your breakfast without using powders, cottage cheese is a fantastic choice.

Make It a Family Favorite

Kids and adults alike love the texture and sweetness of this oatmeal. For even more kid appeal:

Top with mini chocolate chips before baking.
Let kids add their own favorite toppings.
Cut into fun shapes using cookie cutters.

You can also serve it cold like a breakfast bar, which makes it a great lunchbox or road trip snack.

Final Thoughts

This Sheet-Pan Blueberry Cottage Cheese Baked Oatmeal is more than just a healthy breakfast—it’s a solution to busy mornings, a way to fuel your day with protein and fiber, and a versatile dish you can customize again and again.

With just a few simple ingredients and one pan, you can create a meal that’s:

Nutritious
Delicious
Convenient
Family-friendly

So next time you’re looking for a breakfast that checks all the boxes, give this blueberry oatmeal bake a try. You’ll be amazed how something so easy can taste so good—and keep you full for hours.