Welcome to a delightful journey of flavor with my Blueberry Oat Crumble Muffins! These soft, chewy treats blend wholesome oats and fresh blueberries, topped with a crunchy crumble for that perfect bite. Whether you’re a busy parent or just love a cozy breakfast, these muffins will impress your taste buds. Dive into the recipe and tips below, and enjoy baking your new favorite breakfast treat!
Why I Love This Recipe
- Healthy Ingredients: This recipe incorporates wholesome ingredients like oats and blueberries, making it a nutritious choice for breakfast or snacks.
- Easy to Prepare: The simple steps and minimal prep time make these muffins a quick and accessible baking option for anyone.
- Delicious Flavor: The combination of sweet blueberries and a crunchy oat crumble topping creates a delightful flavor and texture that everyone will love.
- Versatile Recipe: This muffin recipe is adaptable, allowing you to substitute different fruits or add nuts for a personalized touch.
Ingredients
Required Ingredients
– 1 cup rolled oats
– 1 cup flour (all-purpose or whole wheat)
– 1/2 cup brown sugar
– 1/4 cup unsalted butter, melted
– 1/2 cup milk (dairy or plant-based)
– 1 large egg
– 1 teaspoon vanilla extract
– 1 teaspoon baking powder
– 1/2 teaspoon baking soda
– 1/4 teaspoon salt
– 1 cup fresh blueberries (or frozen, thawed if using)
– 1/4 teaspoon cinnamon (optional for a warm spice note)
– 1/4 cup almond flour (for the crunchy crumble topping)
– 2 tablespoons maple syrup (to sweeten the crumble)
Measurements
– Rolled oats: 1 cup
– Flour: 1 cup
– Brown sugar: 1/2 cup
– Unsalted butter: 1/4 cup
– Milk: 1/2 cup
– Egg: 1 large
– Vanilla extract: 1 teaspoon
– Baking powder: 1 teaspoon
– Baking soda: 1/2 teaspoon
– Salt: 1/4 teaspoon
– Blueberries: 1 cup
– Cinnamon (optional): 1/4 teaspoon
– Almond flour: 1/4 cup
– Maple syrup: 2 tablespoons
Substitutions
– Use almond milk for a dairy-free option.
– Swap all-purpose flour for gluten-free flour if needed.
– Replace brown sugar with coconut sugar for a lower glycemic index.
– Use applesauce as a sweetener instead of maple syrup.

Step-by-Step Instructions
Prepping the Oven and Muffin Tin
Start by preheating your oven to 350°F (175°C). This is the ideal temperature for baking your muffins. Next, prepare your muffin tin. You can line it with paper liners or lightly grease each cup. This step helps prevent the muffins from sticking.
Mixing Dry Ingredients
In a large mixing bowl, combine the rolled oats, flour, brown sugar, baking powder, baking soda, salt, and cinnamon if you like. Mix these dry ingredients well. This ensures even sweetness and a good rise in your muffins.
Mixing Wet Ingredients
In another bowl, whisk together the melted butter, milk, egg, and vanilla extract. Make sure this mixture is smooth. This step gives your muffins moisture and flavor.
Combining Mixtures
Pour the wet ingredients into the dry ones. Stir gently to mix them. Be careful here! You want to mix just until combined. Over-mixing can lead to dense muffins. Then, gently fold in the blueberries. Make sure they are evenly spread in the batter without squishing them.
Making the Crumble Topping
In a small bowl, mix the almond flour, brown sugar, and maple syrup. Stir until it looks crumbly. This topping adds a nice crunch to your muffins.
Baking the Muffins
Now, divide the muffin batter among the prepared cups. Fill each cup about two-thirds full. This gives them room to rise. Next, sprinkle the crumble topping on each muffin. Place the muffin tin in the oven and bake for 18-20 minutes. To check if they are done, insert a toothpick into the center. It should come out clean or with a few moist crumbs. Let the muffins cool in the tin for about 5 minutes before moving them to a wire rack.
Tips & Tricks
Ensuring Moist Muffins
To keep your muffins moist, do not over-mix the batter. Mix only until the wet and dry ingredients combine. Over-mixing can make them tough. Bake the muffins for 18 to 20 minutes. Check them with a toothpick. If it comes out clean, they are done.
Achieving the Perfect Crumble
For a great crumble, focus on texture and sweetness. Combine almond flour, brown sugar, and maple syrup. Mix until it looks crumbly. Not too wet or too dry! This balance gives you a crunchy topping that is sweet but not overpowering.
Flavor Enhancements
You can add spices to boost flavor. A pinch of cinnamon adds warmth. Try nutmeg or ginger for a twist! You can also include lemon zest for brightness. Get creative with flavors and make these muffins your own.
Pro Tips
- Use Fresh Blueberries: For the best flavor and texture, opt for fresh blueberries when in season. If using frozen, make sure to thaw and drain them to prevent excess moisture in the batter.
- Don’t Overmix: To keep your muffins fluffy and light, mix the wet and dry ingredients until just combined. Overmixing can lead to dense muffins.
- Customize Your Topping: Add chopped nuts or seeds to the crumble topping for added crunch and flavor. Pecans or walnuts work particularly well with blueberry muffins.
- Store Properly: Keep muffins in an airtight container at room temperature for up to 3 days or freeze them for up to 3 months. Reheat in the oven for a few minutes for a fresh-baked taste.
Variations
Fruit Variations
You can change the fruit in these muffins. Try using raspberries, strawberries, or mixed berries. Each fruit adds its own flavor. Raspberries give a tart kick. Strawberries bring sweetness. Mixed berries create a fun burst of tastes in every bite. Just make sure the berries are fresh or thawed if frozen. This keeps the muffins moist and delicious.
Dietary Adjustments
You can make these muffins fit different diets. To make them vegan, use flax eggs instead of a large egg. Swap dairy milk for almond or oat milk. For gluten-free muffins, use gluten-free flour. You can also lower sugar by using less brown sugar or a natural sweetener. These changes keep the muffins tasty while meeting your dietary needs.
Topping Inspirations
Toppings can add fun to your muffins. Consider mixing in chopped nuts for crunch. Seeds like chia or sunflower can add nutrition. A drizzle of yogurt on top can make them creamy. You can even sprinkle some extra cinnamon for warmth. Each topping gives a new twist to your blueberry oat crumble muffins.
Storage Info
Storing Muffins
To keep your blueberry oat crumble muffins fresh, you have two great options. You can store them at room temperature or in the fridge. If you choose room temperature, place the muffins in an airtight container. This helps prevent them from drying out. They taste best when you eat them within two days. If you want to keep them longer, the fridge is a good choice. Just be sure to wrap them well. They can last up to a week in the fridge.
Freezing Muffins
Freezing muffins is easy and a great way to save them for later. First, let the muffins cool completely. Then, wrap each muffin in plastic wrap. After that, place them in a freezer bag or container. This keeps them fresh for up to three months. When you’re ready to enjoy one, take it out and let it thaw at room temperature. You can also heat them in the oven at 350°F for about 10 minutes.
Reheating Instructions
To keep your muffins soft, reheating is key. Preheat your oven to 350°F. Place the muffin on a baking sheet. Heat it for about 5 to 10 minutes. If you’re in a hurry, you can use the microwave. Heat it for 15 to 20 seconds. Just be careful not to overheat, or the muffin may become dry. Enjoy your warm muffin with a cup of coffee or tea!
FAQs
Can I use frozen blueberries?
Yes, you can use frozen blueberries in your muffins. Just remember to thaw them first. This helps keep the muffins from turning blue. To thaw, place the blueberries in a bowl. Let them sit at room temperature for about 30 minutes. You can also microwave them for 10-15 seconds. Drain any excess liquid before adding them to your batter. This keeps the muffins moist and flavorful.
How can I make these muffins healthier?
You can make these muffins healthier with a few simple swaps. Try using whole wheat flour instead of all-purpose flour. It adds more fiber and nutrients. You can also reduce the brown sugar by half. Use ripe bananas or applesauce for natural sweetness. Adding ground flaxseed or chia seeds boosts fiber too. These changes keep the muffins tasty while making them better for you.
What is the best way to serve blueberry oat crumble muffins?
These muffins are best served warm. Pair them with a dollop of yogurt or a drizzle of honey. You can also serve them with fresh fruit on the side. They make a great breakfast or snack. For a fun twist, try adding a sprinkle of nuts or seeds on top for crunch. Enjoy them with a cup of coffee or tea for a cozy treat!
In this post, we covered how to make delicious blueberry oat crumble muffins. We discussed required ingredients, measurements, and helpful substitutions. I shared step-by-step instructions, tips for moist muffins, and ideas for variations. Storing and reheating the muffins helps keep them fresh. Remember, you can adjust flavors and toppings to fit your taste. With these easy steps, you can create a delightful treat that everyone will love. Enjoy baking and sharing your creation