Blueberry Crumble Bars

by Melanie on June 6, 2011

One afternoon I was searching online for a fun way to use up a big basket of fresh blueberries.  I came across a recipe for these bars that sounded so good that I had to give them a try.  I was not dissapointed—they were perfect! Now rumor has it, that these are very similar to the Blueberry Oat Bars at Starbucks.  I can’t say if it is true, since I have never had them there, but if you have let me know if you agree!  One thing I do know, if you are looking for a yummy way to use some blueberries up, these are for you! Mmmm

How is your summer going so far?  We are staying busy with sports camps and swim team–and I am now using the full 3 Meals a day Menu Planner .  I have posted my completed weekly men planner here.  Boys love their food and having a plan is so nice for the Mom, you know:)

Blueberry Crumble Bars

Submitted by Melanie


  • 1 3/4 cup Quaker Oats, uncooked (quick or old-fashioned)
  • 1-1/2 cup all-purpose flour
  • 3/4 cup brown sugar, firmly packed
  • 1/2 cup chopped nuts (I used walnuts)
  • 1/2 teaspoon baking soda
  • 1/2 teaspoon salt
  • 3/4 cup butter; melted
  • 2 cups fresh or frozen blueberries
  • 1/2 cup granulated sugar
  • 3 tablespoons water
  • 2 tablespoons cornstarch
  • 2 teaspoons lemon juice
  • Heat oven to 350 F and grease an 11×7-inch baking pan
  • Combine oats, flour, brown sugar, nuts, baking soda and salt
  • Add butter, mixing until crumbly.
  • Reserve 3/4 cup mixture; press remaining mixture onto bottom of prepared dish.
  • Bake 10 minutes.
  • Meanwhile, combine blueberries, granulated sugar and 2 tablespoons water in medium saucepan.
  • Bring to a boil, simmer 2 minutes, uncovered, stirring occasionally. Combine remaining 1 tablespoon water, cornstarch, and lemon juice; mix well. Gradually stir into blueberry mixture; cook and stir about 30 seconds or until thickened.
  • Spread over partially baked base to within 1/4 inch of edge; sprinkle with reserved oat mixture. Press topping down into blueberries slightly.
  • Bake 18 to 20 minutes or until topping is golden brown.
  • Cool on wire rack; cut into bars. Store tightly covered.
  • Recipe Source: Group Recipes

{ 13 comments… read them below or add one }

1 Mindy June 6, 2011 at 8:28 am

Yummy! Those look so good, Mel. I can’t wait to try them.


2 brittany June 7, 2011 at 10:57 am

wow those look so good – beautiful picture too sis!!


3 Michele June 7, 2011 at 12:43 pm

Do you think you could substitute blackberries for the blueberries?

They look yummy!


4 Erin June 9, 2011 at 2:55 pm

Darn it…these looked so good…but they didn’t turn out for me. I followed the recipe exactly, even though it killed me to use all of that butter…but the crust is so crumbly that ulu can’t pick them up and it tastes very dry and like too much flour. Maybe we will have to just scoop the topping and the blueberry fruit and leave the bottom and eat it like cobbler.


5 Erin June 9, 2011 at 2:59 pm

I mean ” you” can’t pick them up….sorry for the typo! This iPad thinks it knows what. Want to say and changes my words! Thanks Mel! I love the blog….and make the recipes at least 4 nights a week..and your new blog is looking fabulous!!!!!


6 Erin June 10, 2011 at 1:07 pm

I had to come back and let you know that I cut these into squares, put them in a Tupperware , and let them sit overnight. This morning, they were easy to pick up and eat , and sooo yummy!! I thnk I tried to eat one when they were still too warm yesterday! Thank you for the recipe!


7 CZARMhousex June 17, 2011 at 4:25 am



8 Erin ~ The Sisters Cafe July 26, 2011 at 10:45 pm

We made these tonight and they were delicious! They turned out great for us – after they cooled we were able to pick them up, and the crust was chewy and sweet, and it didn’t crumble. When I snitched a warm piece, it was delicious too. Yum!


9 Jan April 1, 2012 at 4:36 pm

This is a great recipe! Thanks!


10 Joliluja February 18, 2013 at 6:55 pm

I loved these. Thank you so much for the recipe! You can view my adapted version…

I referenced your website as well! :-D I hope you get some traffic coming your way!!


11 Chris July 17, 2013 at 7:26 pm

Thank you for this GREAT recipe! I have made these many times and they are always a hit.



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13 Marc Ribaudo June 23, 2014 at 8:08 am

I have a similar recipe with coconut mixed with the oats and walnuts topped with a cream cheese mix thats to die for. Gotta try this one however. Looks equally delicious and not as labor intensive.


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