Blueberry Oat Crumble Bars - delicious oats bars with a yummy blueberry filling, perfect as they are for a healthy snack or take them that little bit further topped with some light cream or custard.

Blueberry Oats Bars
I had a huge container of blueberries sitting on my counter that I picked up from Costco, that I hadn't got round to using and were close to becoming squishy and spoilt if I didn't turn them into something fast. Usually I use them for my blueberry BBQ sauce (which is amazing btw), but I already had some of that in the freezer, so figured I'd make up a sweet treat instead.
I often make these delightful treats called peanut butter and jelly oat bars for the kids, far too naughty and high calories for me to enjoy on a regular basis, but really really delicious and figured surely I can make a healthy alternative with some blueberries and these blueberry oat bars turned out perfect.

Cutting the calories
When trying to cut the calories in treats but still ensure they taste amazing it can be a hard one to achieve, it's those ingredients like real butter and sugar that make a baked treat taste delicious, so it can be hard to keep things tasting good when you are replacing with low calories alternatives. Sometimes it's best to just use the real ingredients and enjoy a small piece that you are going to enjoy.
I try not to use too many sugar free, low fat alternatives in my recipes, because most are not healthy and this is a lifestyle change not a short term fix. Anything in moderation is perfectly fine.
So for this recipe I use real butter and some brown sugar, but do cut the calories a little but replacing some (not all of the sweetness) with an erythritol based sweetener (sukrin or swerve are some well known brands). It's a good compromise.
I don't like to use margarine or low fat spreads, I always just use real butter if I am going to use any kind of spread at all. Plus is just tastes so much nicer.

Can I use an alternative sweetener?
As mentioned I use an erythritol based sweetener combined with real brown sugar to make these oat bars, it gives the right sweetness while not compromising the taste.
If you want to use a different type of sweetener, it's going to be a case or trail and error, not all sweeteners are equal in taste or the amount you should use, so if you are using a different one to the kind I use, just be aware that you may need to use more or less and the taste/texture may be different.
Can I use another fruit?
I used blueberries as I had quite a few of them on hand, so this is the only fruit I have tested this recipe with. If you want to use another berry or fruit, then by all means try, but just be aware that certain fruits may release too much liquid and affect how the base cooks.
So to ensure you get the correct bake, I recommend sticking to the blueberries a least for the first try.

Can these Oat Bars be frozen?
This recipe makes quite a few oats bars, and I am sure you don't want to be tempted to eat them all, so a common question is probably going to be, can these be frozen? and you will be pleased to know they certainly can.
I let them cool and then frozen what we were not eating by placing sheets of wax paper in between each bar to prevent them from sticking together. You can then take out one or two as you want them. I pop them in the oven from frozen to warm up and enjoy with a bit of light cream. Delicious!!!
More Treat/Dessert Recipes
Looking for some other healthy treats to try? Check out these recipes:
- HEALTHIER DUTCH BABY WITH BERRIES AND YOGHURT
- LEMON BLUEBERRY OAT PANCAKES
- COOKIES AND CREAM OAT BITES
- HEALTHY APPLE SULTANA OAT BITES
- FRUIT PIZZA
- RASPBERRY AND WHITE CHOCOLATE BAKED OATMEAL
- HEALTHY BANANA AND CHOCOLATE CHIP LOAF
or head on over to my Full Recipe Index with over 900 delicious Slimming Eats and Weight Watchers friendly recipes all fully searchable by meal type, ingredients and smart points etc

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Melanie Owen says
I love the sound of these! If you used the oats as a Healthy Extra would the Syns be reduced Siobhan?
Siobhan (Slimming Eats) says
Hi Melanie you can't use your heb towards these, as you would need to eat the whole lot and then syn value would be too high, so it's best just to enjoy one or two as part of your daily syns instead.
BEVERLEY EVANS says
Hi made the Oat Crumble Bars this afternoon. Didn't put as much sugar substitute in as you said but they turned out delicious. Than you so much.xx
Lauren says
Made these with/for me and my daughter for a quick breakfast. So good and tasty will make again.
Kerry says
Hi Siobhan
These sound absolutely amazing but my son has an egg allergy. Is there anything I could substitute for the egg white? Many thanks