Make Ahead Breakfast Oat Bake

Name: Make Ahead Breakfast Oat Bake
Prep time: 15 min
Cook time: 40 min
Total time: 55 min
Yield: 8 servings
Ingredients: 2 cups rolled oats; 1 cup milk (any kind); 1/2 cup Greek yogurt; 2 ripe bananas, mashed; 1 cup blueberries (fresh or frozen); 1/4 cup honey or maple syrup; 2 eggs; 1 tsp vanilla extract; 1 tsp cinnamon; 1/2 tsp baking powder; Pinch of salt

Highlighted under: Quick Meal Shortcuts

I love preparing this Make Ahead Breakfast Oat Bake for busy mornings when I need a nutritious and delicious start to my day. With its wholesome ingredients and delightful flavors, it provides the perfect balance of sweetness and heartiness. What I appreciate most is that it can be made in advance, allowing me to simply reheat it and enjoy it throughout the week. Whether I'm rushing out the door or taking a leisurely breakfast, this recipe has become a reliable favorite in my household.

Created by

Ariana Brooks

Last updated on 2026-02-16T01:17:37.121Z

When I first tried making this oat bake, I was amazed at how simple and adaptable it is. I remember experimenting with different fruits and spices, finally landing on a combination of bananas and blueberries that just hits the spot. The key to achieving the perfect texture is allowing the oats to soak in the milk mixture, which helps them cook evenly and absorb all the flavors.

I’ve also discovered that adding a sprinkle of cinnamon and a touch of vanilla elevates the flavor profile to new heights. This bake not only satisfies my morning cravings but also keeps well in the fridge, making it the ideal meal prep option for busy days. It’s a game changer for breakfast!

Why You'll Love This Recipe
Wholesome and filling, perfect for busy mornings
Endless flavor combinations to suit your taste
Easily reheats for a quick, nutritious breakfast

Ingredient Insights

The foundation of this Make Ahead Breakfast Oat Bake is rolled oats, which provide not just bulk, but also texture and heartiness. They absorb the liquid well, creating a tender, cohesive bake that holds together after baking. If you're looking for a gluten-free option, you can substitute rolled oats with certified gluten-free oats to accommodate dietary needs. The combination of oats with milk and Greek yogurt also adds protein and creaminess, making this breakfast truly satisfying.

Bananas in this recipe serve as both a natural sweetener and a binder, enhancing moisture without the need for excessive added sweeteners. If you don't have ripe bananas on hand, unsweetened applesauce can work as a great substitute, maintaining the bake's texture and moisture. You could also try using other mashed fruits like pears or even pumpkin puree for a seasonal twist. Just be mindful of adjusting the sweetness to taste, depending on the fruit used.

Baking Tips

Preheating your oven correctly is essential to ensure even cooking, so be sure to allow it to reach the proper temperature of 350°F (175°C) before placing your oat bake inside. When you pour the mixture into the baking dish, use a spatula to spread it evenly; this compactness helps create the desired texture and prevents uneven baking. The oat bake is done when the top turns golden brown and a toothpick inserted in the center comes out clean, generally around 40 minutes.

After baking, allow the dish to cool slightly before slicing; this will help the squares hold their shape for easier serving. If you're preparing this for meal prep, let it cool completely and then cut it into portions before storing in an airtight container in the refrigerator. It can be stored for up to a week. Reheat individual portions in the microwave for 30-45 seconds or until warm, making this breakfast ideal for those on the go.

Ingredients

Oat Bake Ingredients

2 cups rolled oats
1 cup milk (any kind)
1/2 cup Greek yogurt
2 ripe bananas, mashed
1 cup blueberries (fresh or frozen)
1/4 cup honey or maple syrup
2 eggs
1 tsp vanilla extract
1 tsp cinnamon
1/2 tsp baking powder
Pinch of salt

Instructions

Preheat Oven

Preheat your oven to 350°F (175°C) and grease a baking dish with cooking spray or oil.

Mix Ingredients

In a large mixing bowl, combine the rolled oats, milk, Greek yogurt, mashed bananas, honey, eggs, vanilla extract, cinnamon, baking powder, and salt. Stir in the blueberries gently.

Bake the Oats

Pour the mixture into the prepared baking dish and spread it evenly. Bake for 40 minutes until the top is golden brown and set.

Cool and Serve

Allow the oat bake to cool for a few minutes before slicing. Serve warm, or store in the refrigerator for meal prep.

Pro Tips

Feel free to customize the recipe with your favorite fruits, nuts, or seeds for added texture and flavor.

Serving Suggestions

This oat bake is wonderfully versatile when it comes to toppings. You can enhance each serving by adding a dollop of Greek yogurt or a drizzle of honey for extra richness and sweetness. A sprinkle of nuts or seeds—like chopped almonds or chia seeds—can add a satisfying crunch and boost the nutritional profile. If you prefer a flavor contrast, try serving it with a side of fresh fruit or a dollop of nut butter for creaminess and added protein.

For a change of pace, you can also incorporate different fruits and flavors into your oat bake. Consider using sliced apples or pears paired with cinnamon for a cozy fall flavor, or mix in some dark chocolate chips for a treat that feels indulgent yet remains healthy. By experimenting with various add-ins, you can create your custom versions to keep breakfast exciting all week long.

Storage and Freezing

One of the biggest advantages of this Make Ahead Breakfast Oat Bake is its excellent storage capability. You can make a batch on the weekend and enjoy it throughout the week. Store leftover portions in individual airtight containers; they stay fresh for up to 5 days in the refrigerator. When storing, ensure each portion is completely cooled to prevent sogginess and condensation buildup in the containers.

If you want to extend its shelf life even further, this oat bake freezes beautifully. After it cools completely, wrap pieces tightly in plastic wrap and then place them in freezer-safe bags or containers. It can last in the freezer for up to three months. To reheat, you can thaw overnight in the refrigerator and then warm it in the microwave, or if you're in a hurry, you can reheat directly from frozen in the microwave or oven for a quick, nutritious breakfast.

Questions About Recipes

→ Can I use rolled oats instead of instant oats?

Yes, rolled oats are perfect for this recipe and will provide a great texture.

→ How long can I store the oat bake?

You can store it in the refrigerator for up to 5 days, and it also freezes well for up to 3 months.

→ Can I make it vegan?

Absolutely! Replace milk with a plant-based milk, Greek yogurt with a non-dairy yogurt, and substitute eggs with flax eggs.

→ What can I serve it with?

You can top it with extra fresh fruits, yogurt, or a drizzle of honey for extra sweetness.