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Close-up photo of strawberry rhubarb oatmeal bars showing its delicious layers!
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5 from 11 votes

Strawberry Rhubarb Oatmeal Bars

I shared the original Rhubarb Oatmeal Bars recipe several years ago. It remains a perennial family favorite. That all-time family fave inspires this recipe for Strawberry Rhubarb Oatmeal Bars.
Prep Time20 minutes
Cook Time35 minutes
Total Time55 minutes
Course: Dessert Recipes
Cuisine: Alaskan
Servings: 24 bars
Calories: 220kcal
Author: Laura

Ingredients

  • 2 cups of flour
  • 2 cups of quick cook oats
  • 1 1/3 cups of brown sugar
  • 1/2 tsp baking soda
  • pinch salt
  • 1 cup butter

Filling

  • 2 1/2 cups rhubarb sliced in 1/2 inch chunks or so
  • 1 cup sugar more or less if you prefer sweeter or tangy
  • 1/4 cup water if you're rhubarb was frozen you probably won't need this
  • 4 TBSP flour
  • 2 cups sliced strawberries

Instructions

  • Preheat the oven to 350˚
  • mix the dry ingredients together
  • cut the butter in chunks and drop it in the dry mix, cut in with a pastry blender or two knives, or use your hands mix it in
  • keep mixing until it's looks like coarse crumbs
  • save off 1 cup of crumbs
  • press the rest in the bottom of a 9X13 baking dish
  • Make the Filling: put the rhubarb, water (if using) and sugar in a saucepan
  • bring it to a boil over medium high heat, it will get very juicy as it cooks
  • once it comes to a boil reduce the heat to keep it from scorching, just keep it bubbling lightly until the rhubarb is just starting to get soft
  • add the sliced strawberries and cook for one more minute or so
  • remove 2/3 cup of the juice and whisk in the flour for the filling into it
  • add it back in the pan and stir until thickened, cook and stir for 1-2 minutes and remove from the heat (you just made rhubarb gravy!)
  • spread the strawberry rhubarb mixture over the base layer in the 9X13 sprinkle with reserved crumbs
  • bake for 30-35 minutes until top is lightly brown and the strawberry rhubarb layer is bubbly
  • let it cool before you cut it for best results

Nutrition

Serving: 1 bar | Calories: 220kcal | Carbohydrates: 35g | Protein: 3g | Fat: 8g | Saturated Fat: 5g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 2g | Trans Fat: 0.3g | Cholesterol: 20mg | Sodium: 88mg | Potassium: 110mg | Fiber: 1g | Sugar: 21g | Vitamin A: 251IU | Vitamin C: 8mg | Calcium: 30mg | Iron: 1mg