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Berry Oat Shortbread Bars

Buttery, crunchy, and perfectly sweet. These berry oat shortbread bars with a crunchy oat crumble topping, berry filling, and shortbread base are the ultimate summer treat.

Course Dessert
Keyword berry oat shortbread bars, gluten-free, vegan
Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Servings 6 bars
Author Taavi Moore



  • 1 ½ cups (169g) almond flour
  • ½ cup (42g) rolled oats
  • ½ tsp baking soda
  • ½ tsp baking powder
  • ¼ tsp salt
  • 3 tbsp melted vegan butter (or sub melted coconut oil)
  • 2 tbsp maple syrup
  • 2 tbsp brown sugar (or sub coconut sugar)

Berry Jam Filling

  • 3 cups (465g) mixed frozen or fresh berries
  • 3 tbsp maple syrup
  • 1 tsp lemon zest
  • 1 tbsp corn starch sub arrowroot or tapioca
  • ¼ cup (44g) chia seeds


  • 1 cup (130g) walnuts
  • ½ cup (44g) rolled oats
  • 2 tbsp melted vegan butter (or sub melted coconut oil)
  • 2 tbsp maple syrup
  • 1 tsp ground cinnamon


  1. Preheat the oven to 350°F. Line an 8x10 baking dish with parchment paper.

  2. In a food processor, add all shortbread ingredients. Pulse until combined. You should be able to press mixture together with your hands. Press mixture into the bottom of the prepared baking dish in an even layer. Prick the shortbread a few times with a fork. Bake for 12 minutes.

  3. While shortbread is baking, prepare the jam filling. To a small saucepan over medium heat, stir together berries, lemon zest, maple syrup, and chia seeds. Let jam come to a low simmer then cook for 5 minutes until it has cooked down and berries have burst. In a small bowl, whisk together 1 tbsp corn starch and 1 tbsp water. Whisk corn starch slurry into jam. It will start to thicken immediately, take off heat. Once shortbread is done baking, spread over it in an even layer.

  4. In a food processor, pulse together all crumble ingredients until combined. Sprinkle crumble on top of the jam filling. Bake for 22-25 minutes until top is light golden brown. Allow bars to cool for 10 minutes before slicing.