Rhubarb Crumb Bars

These easy Rhubarb Crumb Bars are the very first thing I bake when I see the first rhubarb of the season. The tangy rhubarb filling sandwiched between a butter oat crumb crust is irresistible!

I don’t think you could possibly imagine how I agonized over what to do with my little bag of rhubarb from the farmer’s market this week. I went back and forth looking at endless recipes, I scoured the internet,  even started a RHUBARB  board on Pinterest…it was insane. The thing about rhubarb is that it has a wonderful tangy flavor,  different from any other fruit (possibly because it’s actually a veg) and a drop dead gorgeous color that makes me crazy.

But it’s not just me, rhubarb inspires passion in a lot of people. It’s  is a true harbinger of spring, being one of the first crops to be harvested as the weather warms, and the season starts right about now. You’ll see hot house crops come first to market, followed by the regular harvest soon after. A lot of recipes combine rhubarb with other fruits like strawberries or peaches, but  I like to use it all by itself to get the full rhubarb experience. Why mess with a great thing?

I love love love love love these bars. I know I make a lot of this type of thing on the blog and I tried to resist, I really did. And I know you see through my ruses when I call them by various names like squares, bars, snack cakes, crumble this’ and crumble thats. My only defense is that these are Faaaaah. Buuuuu. Lus. They were so good I had to break my only taste one serving of whatever I’m photographing rule. I had two. Before lunch.

Love rhubarb like I do? Try some of my other rhubarb recipes ~

• Gluten Free Rhubarb Crisp
• Easy Rhubarb Breakfast Cake
• Rhubarb Vinaigrette
• Rhubarb Butter

These rhubarb crumb bars are lighter and more bar-like than my regular crumble squares. The rosy pink filling is flavored with vanilla…it’s basically a quick rhubarb jam. The color of your jam will vary depending on the depth of color of your rhubarb stalks,  Some are green or pale pink. I always choose the deepest red stalks I can find for best color, no matter what I’m making. The simple dough is spiced with cardamom. I didn’t put that in the title because some of you are starting to think of me as the crazy cardamom blogger. That’s fair. I try not to go overboard, but it’s so hard. (I have a CARDAMOM board on Pinterest, too 🙂

This recipe is inspired by a combination of this recipe from Table for Two, this one from Kitchen Vignettes and this one from Rachel Cooks. Each one has a slightly different ‘take’ on the concept. I say give them all a try!

Reader Rave ~

“I just made these and they are divine, thanks for the easy recipe :)”  ~  Meaghan

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3.96 from 21 votes

Rhubarb Crumb Bars

These easy Rhubarb Crumb Bars are the very first thing I bake when I see the first rhubarb of the season.  The tangy rhubarb filling sandwiched between a butter oat crumb crust is irresistible!

Course breakfast dessert

Cuisine American

Prep Time 30 minutes

Cook Time 30 minutes

Yield 9 servings

Author Sue Moran

Cook ModePrevent your screen from going dark

Ingredients

rhubarb filling

• 1 lb rhubarb
• 1/2 cup granulated sugar
• 1/4 cup water
• 1 Tbsp lemon juice
• 1/2 tsp vanilla extract

for the crust

• 1 1/2 cups all purpose flour
• 1 1/2 cups old fashioned rolled oats
• 1 cup brown sugar
• 1/2 tsp baking soda
• 1/2 tsp salt
• 1 tsp ground cardamom you can substitute cinnamon
• 3/4 cups 1 1/2 sticks butter. cut in pieces

Instructions

• Set oven to 350F
• Rinse and trim the ends off the rhubarb stalks. Slice them in 1 inch pieces and put in a heavy pot. Toss with the sugar, lemon juice, and water. Stirring constantly, bring the mix to a boil and cook until the rhubarb has broken down and the mixture is thick. Add a little more water if needed as it cooks if it gets too thick. This will take about 20 minutes or so. You can puree it if you want a smooth texture, I used an immersion blender and pulsed a few times to get any larger lumps, but some texture is fine. Stir in the vanilla and set aside to cool.
• To make the crust, put the dry ingredients in a food processor and pulse to combine. Add in the butter and pulse until the mix has a texture of coarse crumbs.
• Reserve 1 1/2 cups of the mixture and press the rest into a buttered 9x13 baking pan. Pat down the crust and level it out.
• Spread the filling evenly over the crust, and then crumble the remaining dough over the filling.
• Bake for 30 minutes until golden.
• Cool before cutting.

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Don’t forget to pin these Rhubarb Crumb Bars!