Blueberry Crumble Bars
Blueberry crumble bars mix oats and juicy blueberries with a blend of peach, mango, banana, and apple purée. Vanilla protein powder and almond butter make the base soft and filling, and the oat crumble turns golden as it bakes. Slice them up for a fruity snack you can prepare in advance and freeze.
Nutrition
- Calories 156kcal 205kcal
- Fat 4.0g 5.3g
- Carbs 21.2g 27.7g
- Protein 9.1g 12.0g
- Fibre 2.9g 3.7g
Ingredients
- Main Recipe
Blueberry Filling
Spoon measurements may change based on how you scoop the ingredients.
For the most accurate results and nutrition info, it’s best to use grams.
Method
Why I Like this Recipe
The mixed fruit purée holds the oat mixture together and gives the bars a soft texture, all without needing lots of ingredients. Once cooled, they slice neatly and are easy to pack for later. The juicy blueberries and crumbly oat topping make them taste more like a treat than a typical protein snack.
Tips and Variations
- Swap the almond butter for peanut butter or mixed nut butter to change the flavour.
- Add a pinch of cinnamon to the oat mixture.
- Replace the blueberries with the same weight of raspberries or mixed berries.
- Use maple syrup instead of honey if preferred.
- Scatter a few chopped almonds over the crumble before baking for a little more crunch.
- Serve a bar with Greek-style yoghurt for a more substantial snack.
Meal Storage
Keep the bars in an airtight container in the fridge for up to 4 days. If you stack them, put baking paper between the layers to protect the crumble topping.
Freezer tips
Freeze each bar in a freezer-safe container or wrap them well before freezing. They stay fresh for up to 3 months.
Let a bar thaw in the fridge overnight. If you want it warm, microwave it for 20 to 30 seconds after thawing.
Frequently Asked Questions
Yes. Use the same weight of fresh blueberries and follow the recipe without any other changes.
Yes. Replace the protein powder with the same weight of oat flour. The bars will contain less protein, and their texture may be slightly different.
They may still be too warm. Let the bars cool completely before slicing, or refrigerate them for 1 hour if they still feel soft.
Yes. Wrap the cooled bars individually or place them in an airtight container and freeze for up to 3 months. Defrost them in the fridge before serving.
Yes. Bake and portion them in advance, keep a few bars in the fridge and freeze the rest for later.
Yes. Raspberries, blackberries, chopped strawberries or mixed berries can be used instead. Keep the total weight the same, but allow for a slightly different texture and baking time.
Closing Note
After cooling, these bars have a soft, fruity layer under a golden oat crumble and are easy to slice neatly. Blueberries are the main flavour, and the mixed fruit purée adds just enough sweetness. If you like oat snacks, try these peach oat snack bars too.
- 💪 High Protein
- 🍞 Lower Carb
- 🧊 Freezer Friendly
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