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Old Fashioned Rhubarb Bars Recipe


Do you have plenty of rhubarb to use or maybe you are anticipating how much you will need to use up this season? These yummy Rhubarb Bars are so simple to make!

Rhubarb Bars Recipe

Rhubarb Bars Recipe

These bars are delicious….if you are a rhubarb lover!! If you are like me, your rhubarb season is once a year and usually only short-lived. That is what happens to me. I try to make as many items as possible during that season, but this is one recipe that I make year after year. Several years ago, I had a neighbor that gave me a recipe that was very similar to this.

Over time, I have tweaked it and changed it to make it fit perfectly for us. This recipe is what I would call the “fig newton” type of rhubarb bar. I guess that is kinda what it reminds me of. It has a top and a bottom and then a nice sauce layer in the middle. They hold together well and are Oh….so tasty!

Another great thing about this sauce mixture is when you have that abundance of rhubarb, you can make the sauce ahead of time and freeze it. Saves time for these bars to just be put together in no time, by making the top and bottom crumble/crust for them.

I have also used cherries, from our bushes, or plums, from our trees, as a substitute for the rhubarb and made them that way. So, you can see that these bars are delicious and versatile for what you have on hand, as far as fruits.

Old Fashioned Rhubarb Bars Recipe

In a saucepan, cook together:

  • 2 T. arrowroot powder or organic cornstarch
  • 1/4 cup water
  • 1 1/4 cup sugar (I use organic evaporated cane sugar)
  • 4 cups cut up rhubarb (can be fresh or frozen)
  • 1 t. vanilla

Rhubarb Bars Recipe

Cook this mixture until it is thickened and bubbly on low to medium-low heat. It usually takes about 20 minutes.

Rhubarb Bars Recipe

While this is cooking, mix together:

  • 3/4 cup butter (softened)
  • 1 1/2 cup oatmeal
  • 1 cup brown sugar
  • 1 1/2 cup flour (or gluten free flour mix)
  • 1/2 t. baking soda
  • 1/2 t. salt

Rhubarb Bars Recipe

Use a pastry blender or fork to get a crumbly consistency.

Rhubarb Bars Recipe

Grease a 9 x 13 pan. (Merissa actually made this 9×13 pan for me! 🙂 ) Place 1/2 of the crumble mixture in the bottom of your pan and pat it down firmly. Now pour your rhubarb sauce mixture over the bottom crust. Place the remaining crumble mixture over the sauce and pat down, slightly. Bake at 375 degrees for 30 minutes.

Rhubarb Bars Recipe

Remove from the oven and cool slightly. They are best to cut while they are still a bit warm.

Need to print this Rhubarb Bars recipe for your Recipe Binder? Grab it below!

Old Fashioned Rhubarb Bars Recipe

Ingredients

Rhubarb Filling

  • 2
    tablespoons
    cornstarch or arrowroot powder
  • 1/4
    cup
    water
  • 1 1/4
    cups
    sugar
  • 4
    cups
    chopped rhubarb
    fresh or frozen
  • 1
    teaspoon
    vanilla extract

Crumble

  • 3/4
    cup
    butter
    softened
  • 1 1/2
    cup
    oatmeal
  • 1
    cup
    brown sugar
  • 1 1/2
    cup
    flour
    or gluten free flour mix
  • 1/2
    teaspoon
    baking soda
  • 1/2
    teaspoon
    salt

Instructions

For the Filling

  1. Cook this mixture until it is thickened and bubbly on low to medium-low heat. It usually takes about 20 minutes.

For the Crumble and Assembly

  1. Use a pastry blender or fork to get a crumbly consistency.

  2. Grease a 9 x 13 pan. Place 1/2 of the crumble mixture in the bottom of your pan and pat it down firmly. Now pour your rhubarb sauce mixture over the bottom crust. Place the remaining crumble mixture over the sauce and pat down, slightly. Bake at 375 degrees for 30 minutes.

  3. Remove from the oven and cool slightly. They are best to cut while they are still a bit warm.

This Rhubarb Bars Recipe makes an incredible bar to take to a church gathering or potluck.

Enjoy!

Looking for another rhubarb treat?

mombio (1)

This recipe for Rhubarb Bars was originally posted on Little House Living in May 2014 and has been updated as of March 2020.

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