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Crockpot Blueberry Lemon Rhubarb Crisp

blueberry rhubarbI know for some of you it’s always crockpot season. But, I don’t use my crockpot as often as I should. Since I work from home it is just as easy for me to slow roast in the oven or slow simmer on the stove top. I have certain recipes that work best it each of these. There are just some things that I feel don’t work well in a crockpot. But, so many that do and this is one of them. Compotes and crisps are some of my favorite things to make and I really like making them in the crockpot. I feel the slow simmer really allows the flavors to melt together. So tasty. 

lemon blueberry rhubarb cripsNormally at the end of garden season I am found making strawberry rhubarb, but after my blueberry lemon glaze donuts and becoming obsessed with lemon flavors I knew I wanted to welcome fall with another blueberry lemon treat. What I love most about crockpot crisps is that you can just dump it all into the pot , turn it on and walk away. No blending, no melting, no molding. For me, I don’t even measure. But, don’t worry if that makes you anxious. There is a recipe that you can follow which will give you the same results. 😉 This recipe has a bit of mixing and measuring for the filling…

lemon blueberry rhubarb crisp eatingp

Crockpot Blueberry Lemon Rhubarb Crisp

Chrystal Mahan YUMeating.com
4.92 from 12 votes


  • 1 cup whole wheat flour
  • 1 cup rolled oats
  • 1 cup brown sugar substitute I used Ideal xylitol
  • 1 cup stevia
  • 1/2 c melted butter
  • 4 cups diced rhubarb
  • 1 cups blueberries
  • 2 TBSP corn starch
  • 1 tsp cinnamon
  • 1 cup water
  • 1 tsp lemon juice
  • lemon zest


  • Grease your crockpot.
  • Mix flour, oats, brown sugar substitute, melted butter, cinnamon in a bowl.
  • Press half the mixture into the bottom of the greased crockpot.
  • Add the diced rhubarb.
  • Add the blueberries.
  • In a small pan add the sugar, cornstarch, water, lemon juice and zest.
  • Whisk the ingredients on high heat to thicken.
  • Pour the liquid over the blueberry and rhubarb,
  • Cover with the other half of the oat mixture.
  • Cook on low for 3-4 hours.

blueberry rhubarb lemon crisp

Are you a fan of compotes, cobblers and/or crisps? What are you favorite flavors?

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  1. I’ve eaten some crazy things, but I have never eaten rhubarb. I’ve never seen in the grocery store here in the south. But I’ve always wanted to try it. And your blueberry lemon rhubarb crisp looks amazing. My favorite desserts usually incorporates fruit and a good crust. I don’t make too many desserts in the crock pot, but I would love to try this. Now, to find some rhubarb . . .

  2. Hmm…I’ve never had rhubarb either; however, it looks amazing! I absolutely love blueberry and a big fan of crisps…oh…and cooking in the Crockpot…is a grand slam! Thanks for this!

  3. 5 stars
    We had a rhubarb patch when I was growing up and my mom made a big variety of desserts with it. I have always loved rhubarb. This looks delicious and I will have to give it a try.

  4. 5 stars
    And THIS is why fall is my favorite season. Everywhere I look there’s a new crock pot recipe, and every one is more delicious than the last. Thanks for sharing this!

  5. I will be honest I am not a blueberry fan at all but you always make your food so enticing! I need to figure out what I can substitute for the blueberries to recreate!

  6. Your Blueberry Lemon Rhubarb Crisp looks delicious! I love rhubarb, but I haven’t found it in stores. We have it growing in our Estonian garden, but it’s almost impossible to find it here in Spain.

  7. 4 stars
    That looks yummy. I once tried to make triple berry cobbler in my crockpot, but I think where I went wrong was using frozen berries…too much water…

  8. Yum! This looks great. rhubarb brings back memories my mom loved it and used to always make great desserts with it! This would be really nice to try!

  9. Apple crisp is so delicious, but I’ve never made it in a crockpot. I’ll have to give it a shot. I like the idea of dumping it in and walking away.

    1. Pears work great in this recipe! We used to have apple and pear trees but prior to me moving in they were not taken care of. The apple trees had to be taken out when we had the large barn removed and rebuilt. The pear tree needs some TLC.

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