Healthy Breakfast Blueberry Oatmeal Crumb Bars

Featured in Delicious Morning Favorites.

Clean-eating breakfast bars with blueberry filling and oat crumble. Takes about 70 minutes total. Makes 12 squares.
Clare Greco
Updated on Sat, 08 Feb 2025 14:56:21 GMT
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Healthy Breakfast Blueberry Oatmeal Crumb Bars Recipe | recipesbyclare.com

There's something magical about pulling a pan of these berry-studded bars from the oven, watching the blueberries bubble and listening to the crumble topping crackle as it cools. I stumbled upon this recipe during blueberry season when my counters were overflowing with fresh-picked berries and my kids were tired of regular oatmeal for breakfast.

Last summer, these bars saved our camping trip when rain kept us tent-bound. The kids still talk about how we huddled in the tent, sharing these bars and hot chocolate while waiting out the storm.

Essential Ingredients

  • Rolled Oats: The old-fashioned kind give that perfect hearty chew
  • Fresh Blueberries: Nature's candy, bursting with sweet-tart flavor
  • Dark Brown Sugar: Adds that irresistible caramel note
  • Ground Cinnamon: Just enough to make the flavors sing
  • Sea Salt: Balances the sweetness perfectly
  • Butter: Use the good stuff - you'll taste the difference
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Breakfast Blueberry Oatmeal Crumb Bars Recipe | recipesbyclare.com

Detailed Instructions

Pan Preparation:
Line your pan with foil, creating a cozy nest for your bars
Crumble Creation:
Mix your dry ingredients until they're well acquainted
Butter Magic:
Pour in melted butter and watch the mixture transform
Base Building:
Press half the mixture into your pan with love
Berry Layer:
Scatter those juicy berries like edible jewels
Crumble Crown:
Top with remaining mixture for that perfect crunch
Baking Patience:
Let the aroma fill your kitchen as they turn golden
Cool Down:
The hardest part - waiting for them to cool completely

My teenage daughter now makes these by herself on Sunday afternoons, claiming it's her "stress relief" before the school week starts. The kitchen might look like a flour bomb exploded, but seeing her pride when they turn out perfect is worth every messy counter.

Breakfast Revolution

We've started having "breakfast picnics" with these bars, packing them alongside thermoses of hot chocolate for early morning beach walks. Something about the salty air makes them taste even better.

Seasonal Switches

When blueberry season ends, we experiment with other fruits. Raspberries make them pink and tart, blackberries turn them deep purple, and mixed berries create a beautiful marble effect.

Storage Stories

These bars have traveled in lunch boxes, survived road trips, and even made it through a cross-country flight to surprise my mom. They're sturdy little things when properly cooled.

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Morning Memories

The smell of these baking has become our family's Sunday evening signal - weekend's ending, but at least we've got something good for Monday morning.

After countless batches, these bars have become more than just breakfast - they're our weekend tradition, lunch box surprise, and afternoon pick-me-up all rolled into one delicious package. They've taught me that sometimes the simplest recipes create the strongest memories.

Frequently Asked Questions

→ Which oats should I use?
Use old-fashioned or large flake oats. Quick or instant oats won't work properly.
→ Can I use frozen blueberries?
Yes, but add 10-15 minutes to baking time.
→ Why wait to cut them?
Bars cut cleanest when completely cooled, at least 3 hours.
→ How should I store these?
Store in airtight container once cooled. Refrigerate for longer storage.
→ Are these truly paleo?
Contains oats and flour, so not strictly paleo. Use alternative flours for paleo version.

Healthy Breakfast Blueberry Oatmeal Crumb Bars

Buttery oat bars with juicy blueberry filling and crumb topping. Made with whole ingredients for a healthy breakfast or snack.

Prep Time
20 Minutes
Cook Time
50 Minutes
Total Time
70 Minutes

Category: Morning Favorite

Difficulty: Intermediate

Cuisine: American

Yield: 12 Servings (12 squares)

Dietary: Vegetarian

Ingredients

→ Base & Crumble

01 1 cup plain flour
02 3/4 cup old-fashioned oats
03 1/2 cup white sugar
04 1/4 cup dark brown sugar
05 1/2 teaspoon ground cinnamon
06 1/4 teaspoon sea salt
07 1/2 cup unsalted butter, melted
08 1 large egg yolk
09 1 tablespoon dark brown sugar (extra)

→ Blueberry Layer

10 2 cups blueberries, fresh or frozen
11 2 tablespoons fresh lemon juice
12 1/4 cup white sugar
13 2 teaspoons cornstarch

Instructions

Step 01

Preheat oven to 350°F. Line 8x8 pan with foil and grease with butter.

Step 02

Mix flour, oats, sugars, cinnamon, and salt. Add melted butter and egg yolk.

Step 03

Reserve 1 cup mixture. Press remainder into prepared pan.

Step 04

Mix blueberries, lemon juice, sugar, and cornstarch. Spread over base.

Step 05

Mix extra brown sugar into reserved mixture. Crumble over blueberries.

Step 06

Bake 40-45 minutes until bubbly and golden. Cool completely (3+ hours) before cutting.

Notes

  1. Don't use quick or instant oats
  2. Add 10-15 minutes if using frozen berries
  3. Best cut when fully cooled

Tools You'll Need

  • 8x8 inch baking pan
  • Aluminum foil
  • Mixing bowls

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy (butter)
  • Contains eggs
  • Contains gluten (flour)

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 188
  • Total Fat: 6.21 g
  • Total Carbohydrate: 33.39 g
  • Protein: 2.98 g