Healthy Breakfast Blueberry Oatmeal Crumb Bars Recipe

The Fluffiest Healthy Breakfast Blueberry Oatmeal Crumb Bars Recipe

Mornings demand a delightful start that fuels your body with wholesome blueberry oatmeal crumb bars packed with nutrition.

These bars blend sweet, tangy blueberries with hearty oats in a delectable morning treat.

Crafted with care, each bite delivers a perfect balance of flavor and health benefits.

The simple ingredients come together effortlessly, creating a breakfast that feels like a warm hug.

Crumbly, moist, and bursting with juicy blueberries, these bars make wellness taste incredible.

Bake a batch and watch everyone’s eyes light up with excitement.

Nourish your day with this irresistible morning delight that transforms breakfast into a celebration of good taste.

FAQs

  • Are these bars nutritious?

Yes, they’re packed with whole grains from oats, antioxidants from blueberries, and provide a balanced breakfast option with natural ingredients.

  • Can I use frozen blueberries?

Absolutely! Just thaw and drain excess liquid before mixing with other filling ingredients to prevent excess moisture.

  • How do I know when the bars are perfectly baked?

Look for golden brown edges and a bubbly blueberry filling. The top crumb layer should be crisp and slightly set.

  • Is this recipe suitable for meal prep?

Definitely! These bars can be made ahead and stored in the refrigerator for up to 5 days, making them perfect for quick morning breakfasts.

Healthy Breakfast Blueberry Oatmeal Crumb Bars: Batch Highlights

  • Savor Nutritious Delight: Packed with wholesome blueberries and hearty oats, these bars deliver a powerhouse of nutrients in every bite.
  • Craft Stress-Free Treat: Simple ingredients and straightforward steps make this recipe perfect for bakers of all skill levels, from beginners to seasoned pros.
  • Versatile Crowd-Pleaser: Great for breakfast, brunch, snacking, or dessert, these bars adapt to any mealtime or gathering with their irresistible sweet-tangy flavor.
  • Meal Prep Champion: Can be prepared ahead and stored easily, making them an ideal option for busy mornings or grab-and-go snacks throughout the week.

All You Need for Blueberry Crumb Bars

Base Ingredients:
  • All-Purpose Flour: A fundamental dry ingredient that provides structure to the crumb bars.
  • Rolled Oats: Adds hearty texture and nutritional value to the base layer.
  • Brown Sugar, Granulated Sugar: Brings sweetness and helps create a delicious crumbly texture.
  • Ground Cinnamon: Provides warm, aromatic flavor to complement the blueberries.
  • Salt: Enhances the overall flavor profile of the bars.
Binding Ingredients:
  • Unsalted Butter: Helps bind the base ingredients and adds rich, creamy flavor.
  • Egg Yolk: Acts as a binding agent and contributes to a tender texture.
Filling Ingredients:
  • Fresh Blueberries: The star ingredient that provides natural sweetness and vibrant color.
  • Lemon Juice: Brightens the fruit flavor and helps balance the sweetness.
  • Granulated Sugar: Adds additional sweetness to the blueberry filling.
  • Cornstarch: Helps thicken the blueberry mixture and create a stable filling.

Steps for Healthy Crumb Bars

Step 1: Fire Up the Oven

Crank your oven to a toasty 350°F.

Grab an 8×8 baking pan and line it with aluminum foil.

Generously grease the foil with butter to prevent any sticky situations.

Step 2: Create the Crumbly Base

In a mixing bowl, combine these delightful dry ingredients:
  • All-purpose flour
  • Rolled oats
  • Granulated sugar
  • Brown sugar
  • Ground cinnamon
  • Salt

Pour in melted butter and a rich egg yolk.

Mix until the ingredients form a delectable, slightly crumbly texture.

Step 3: Build the Foundation

Set aside one cup of the base mixture for later.

Take the remaining mixture and press it firmly into the prepared pan, creating an even, compact layer.

Step 4: Craft the Fruity Filling

In another bowl, toss together:
  • Fresh blueberries
  • Freshly squeezed lemon juice
  • Granulated sugar
  • Cornstarch

Stir gently to coat the blueberries, then spread this vibrant mixture evenly over the base layer.

Step 5: Sprinkle the Topping

Mix some extra brown sugar into the reserved base mixture.

Crumble this sweet topping generously over the blueberry layer, ensuring complete coverage.

Step 6: Bake and Chill

Slide the pan into the preheated oven.

Bake for 40-45 minutes until the edges are golden and the filling is bubbling with excitement.

Once done, remove and let the bars cool completely for at least 3 hours.

This patience ensures clean, perfect cuts when you’re ready to serve.

Tips for Crunchy, Fruity Bars

  • Use fresh, ripe blueberries for the most vibrant flavor and natural sweetness in your bars.
  • Ensure your base layer is firmly pressed to create a sturdy, crisp foundation that won't get mushy.
  • Gently crumble the topping mixture with your fingers for a rustic, textured appearance and even coverage.
  • Store bars in an airtight container in the refrigerator for up to 5 days, maintaining their delicious texture and taste.
  • Substitute regular flour with gluten-free flour blend to make these bars accessible for those with gluten sensitivities.

Crumb Bar Variations to Try

  • Gluten-Free Oatmeal Bars: Replace wheat flour with almond flour or gluten-free flour blend for celiac-friendly version.
  • Vegan Berry Bars: Substitute butter with coconut oil and egg yolk with ground flaxseed mixed with water for plant-based alternative.
  • Low-Sugar Option: Use stevia or monk fruit sweetener instead of sugar to reduce overall calorie content and make diabetic-friendly.
  • Seasonal Berry Swap: Replace blueberries with raspberries, strawberries, or mixed berries for different flavor profiles and nutritional variety.

Serving Blueberry Bars for Breakfast

  • Breakfast Delight Plating: Slice bars into neat squares, arranging them artfully on a rustic wooden board for a charming morning presentation.
  • Berry Fresh Companion: Serve alongside a dollop of Greek yogurt or fresh whipped cream, enhancing the blueberry's natural sweetness and adding creamy texture.
  • Coffee Corner Pairing: Match these bars with a steaming mug of dark roast coffee or herbal tea, creating a perfect balance of flavors and warmth for a cozy breakfast experience.
  • Meal Prep Magic: Store bars in an airtight container for up to 5 days, making them an excellent grab-and-go option for busy mornings or quick snacks during the week.

Storing Healthy Crumb Bars

  • Store bars in an airtight container in the refrigerator for up to 5 days. The cool temperature keeps the blueberry filling fresh and maintains the crumbly texture.
  • Wrap individual bars tightly in plastic wrap, then place in a freezer-safe container. Freeze for up to 3 months for a quick grab-and-go breakfast or snack.
  • Let bars sit at room temperature for 15-20 minutes before serving to soften slightly and enhance their flavor and texture.
  • Place a paper towel between layers when storing to absorb excess moisture and prevent the bars from becoming soggy.
Print
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Healthy Breakfast Blueberry Oatmeal Crumb Bars Recipe

Healthy Breakfast Blueberry Oatmeal Crumb Bars Recipe


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4.8 from 39 reviews

  • Total Time: 1 hour 5 minutes
  • Yield: 9 1x

Description

Blueberry oatmeal crumb bars blend wholesome ingredients into a delightful morning treat perfect for quick nutrition. Packed with sweet berries and hearty oats, this recipe offers a satisfying start that energizes your day with minimal effort.


Ingredients

Scale

Base & Crumble Ingredients:

  • 1 cup (120 grams) plain flour
  • 3/4 cup (60 grams) old-fashioned oats
  • 1/2 cup (100 grams) white sugar
  • 1/2 cup (113 grams) unsalted butter, melted
  • 1/4 cup (50 grams) dark brown sugar
  • 1 large egg yolk
  • 1 tablespoon (15 grams) dark brown sugar
  • 1/2 teaspoon ground cinnamon
  • 1/4 teaspoon sea salt

Blueberry Layer Ingredients:

  • 2 cups (280 grams) blueberries, fresh or frozen
  • 1/4 cup (50 grams) white sugar
  • 2 tablespoons (30 milliliters) fresh lemon juice
  • 2 teaspoons (6 grams) cornstarch

Instructions

  1. Preheat the oven to 350°F and prepare an 8×8 inch baking pan by lining it with foil and lightly greasing with butter.
  2. Create the foundational crumb mixture by combining dry ingredients, then incorporate melted butter and egg yolk until the texture becomes slightly crumbly and cohesive.
  3. Separate and set aside 1 cup of the crumb mixture for the topping, then firmly press the remaining mixture into the prepared pan to form a solid base layer.
  4. Craft the blueberry filling by gently folding blueberries with lemon juice, sugar, and cornstarch, ensuring the berries are evenly coated and glossy.
  5. Spread the blueberry mixture uniformly across the pressed base, creating an even fruity layer that reaches the edges of the pan.
  6. Enhance the reserved crumb mixture by mixing in additional brown sugar, then delicately sprinkle and crumble the topping over the blueberry layer.
  7. Transfer the pan to the preheated oven and bake for 40-45 minutes, watching for a golden-brown topping and bubbling fruit filling.
  8. Remove from oven and allow the bars to cool completely at room temperature for approximately 3 hours, which helps the filling set and makes cutting easier.
  9. Once thoroughly cooled, lift the bars from the pan using the foil edges and slice into neat squares for serving.

Notes

  • Customize Easily swap blueberries with raspberries, blackberries, or mixed berries for delightful flavor variations.
  • Make Ahead Prepare the bars a day before serving and store in an airtight container at room temperature for maximum freshness.
  • Gluten-Free Option Replace regular flour with gluten-free flour blend and ensure all ingredients are certified gluten-free for sensitive diets.
  • Healthier Twist Reduce sugar by using monk fruit sweetener or cut butter quantity to create a lighter, more nutritious breakfast treat.
  • Prep Time: 20 minutes
  • Cook Time: 45 minutes
  • Category: Breakfast, Snacks, Desserts
  • Method: Baking
  • Cuisine: American

Nutrition

  • Serving Size: 9
  • Calories: 220
  • Sugar: 12 g
  • Sodium: 80 mg
  • Fat: 10 g
  • Saturated Fat: 6 g
  • Unsaturated Fat: 4 g
  • Trans Fat: 0 g
  • Carbohydrates: 32 g
  • Fiber: 2 g
  • Protein: 3 g
  • Cholesterol: 30 mg
Lena Martinez

Lena Martinez

Contributing Writer & Culinary Educator

Expertise

Southwestern and Latin American cuisines, Vegetarian and plant-based recipe development, Culinary education and community outreach ​

Education

Santa Fe Community College, Santa Fe, NM
Certificate in Culinary Arts

Emphasized Southwestern cuisine and sustainable cooking practices


Lena grew up surrounded by the colors, spices, and traditions of the Southwest – flavors that sparked her love for bold, honest cooking. After earning her Culinary Arts certificate at Santa Fe Community College, she made it her mission to teach home cooks how to create flavorful, plant-powered meals without the fuss.
Her recipes are packed with vibrant ingredients, simple steps, and the kind of heart that turns a regular meal into something you’ll want to share. Outside the kitchen, Lena spends her time wandering farmers’ markets, trading family recipes, and helping young chefs find their voice through food.

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