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+ servings

Apple Rhubarb Whole-Grain Crumble Bars

Authorbronwyn
These apple and rhubarb whole-grain crumble bars are a great snack to have on hand. They are full of fibre, healthy fats, and fruit! You can do almost any fruit combination for this recipe but the sweetness of the apple and tartness of the rhubarb seem to be a perfect match.
Prep Time20 minutes
Cook Time1 hour
Total Time1 hour 20 minutes
Servings12 Bars

Ingredients  

Apple Rhubarb Mixture

  • 2 medium/large sized apples 400g
  • 2 Tbsp 30g all-purpose flour
  • 2 Tbsp 30g sugar
  • 2 tsp lemon juice
  • 1 tsp vanilla
  • 1 tsp cinnamon
  • 1/4 tsp nutmeg
  • 1 tsp cinnamon
  • 1 cup 100g chopped rhubarb

Crust & Crumble

  • 3/4 cup 100g all-purpose flour
  • 3/4 cup 100g whole-grain flour
  • 1/2 cup 80g rolled oats
  • 1/2 cup 100g sugar
  • 1/2 tsp salt
  • 3/4 cup 180g cold butter

Instructions 

  1. Preheat your oven to 350F.
  2. Chop your apples in cubes removing the core and the stem. Place them in a medium sized bowl.
  3. Add your chopped rhubarb to the bowl as well.
  4. To your apples and rhubarb, add sugar, white flour, vanilla, lemon juice, cinnamon, nutmeg and salt. Mix together until the fruit is all coated.
  5. Make the crumble: Add your whole-grain flour, white flour, oats, sugar, salt, cinnamon and nutmeg to another medium-sized mixing bowl.
  6. Add cold butter to this bowl of dry ingredients and mix with your hand until a crumble is formed. Set aside.
  7. Grease and flour your 8" x 8" baking dish or line it with parchment paper for easier removal.
  8. Add about 2/3 of your crumble mixture to the base of the dish. Spread out evenly and press down to form a bottom crust.
  9. With the remaining 1/3 of the crumble mixture, add a little more flour and mix in to make smaller crumble pieces.
  10. Add your fruit mixture to the crust.
  11. Top the fruit with the remaining crumble mixture. Spread out evenly on top.
  12. Bake at 350F for 55-60 minutes until golden and crumble is crumbly.
  13. Let cool completely before slicing.

Notes

You can do a full whole-grain flour crumble topping if you'd like. I added a little all-purpose flour just to lighten it up a bit.
This recipe is high in fat so it needs to be cooled down completely before slicing or it will fall apart on you. If you don't mind that, then serve warm!