June 6, 2026

Chocolate Oat Tray Bake.

I was given a few bags of oats that have short dates on them. We no longer eat breakfast and so I can’t use them in porridge. I then remembered a chocolate tray bake that my Aunty used to bake when I was young. I think it was the early 70s.

I don’t make this recipe a lot as it uses 250g of butter. However, I have a lot of butter in the freezer as I made some with reduced cream after Easter, and it was selling for £1 a block at Farmfoods. We therefore stocked up to save money later. I am not a big fan of flapjack but like this as it is half flour and half oats which gives this bake a nice texture.

Ingredients

250g butter, melted

175g oats

175g self raising flour

140g sugar

15g cocoa

A handful of mixed seeds (optional)

100g bar of chocolate (optional)

Method

Mix all the ingredients, except the bar of cocolate, together, until well combined.

Place in a greased tin. Mine was 8″ by 10″ but I remember my Aunty used a Swiss Roll tin.

Bake in the oven at 175⁰C for about 20 minutes.

Let it cool completely before removing from the tin. Decorate with drizzled chocolate if desired.

I used Aldi chocolate as they are reduced to 59p at the moment. It would be fine plain with out a topping.. My Aunty used to cover it with icing made from icing sugar, cocoa and water, but that would be too sweet for me now. I guess that one would need about 200g of chocolate to cover the whole thing. As I wasn’t totally covering my traybake with chocolate, I marked out the squares whilst the chocolate oat tray bake was still warm.

This recipe is so easy to make and you can adapt and decorate it however you like. I have put chopped nuts in it before. The seeds are added so that I can tell myself that it is healthy. 😇 Do you remember this recipe from the 1970s?

 

 

 

 

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16 Comments

  1. Christine rogers June 6, 2026 at 7:05 pm - Reply

    Definitely going to try this. I have just thrown some oats out because they were over two years out of date but I,ll add some to my shop so I can make this. Thanks again for your. Recepie.

  2. Christine rogers June 6, 2026 at 8:27 pm - Reply

    Could you use margarine instead of butter? Thanks

    • ToniG June 6, 2026 at 8:55 pm - Reply

      You can but I don’t think that is will taste quite as nice

  3. Lesley Cox June 7, 2026 at 4:03 am - Reply

    Looks nice and I’ll give it a try, thanks.

    • ToniG June 16, 2026 at 5:38 am - Reply

      Brilliant. I hope that you like it.

  4. Sharon June 7, 2026 at 6:57 am - Reply

    Thank you for this recipe Toni ideal for pack ups .. just getting my
    Ingredients ready 😉

    • ToniG June 16, 2026 at 5:38 am - Reply

      Brilliant. Thanks for commenting.

  5. E Moore June 7, 2026 at 8:28 am - Reply

    I wonder if an oil, perhaps coconut or a light veg would work to make it vegan? I will have a try!

    • ToniG June 16, 2026 at 5:37 am - Reply

      Let me know hoow it works out. It might change the taste. Maybe a vegan marg, also. Some pureed apple or pumpkin sometimes works in these kinds of recipe too, but a bit of experimenting would need to be done for quantities. Hope it works out.

  6. Jan. June 7, 2026 at 5:24 pm - Reply

    I have just made this and it’s great. I think that I will add some chocolate chips to it next time for a bit of luxury.

    • ToniG June 16, 2026 at 5:34 am - Reply

      Why not? I guess that is why some people smother in chocolate. I had some with mint custard for a dessert last night 😁

  7. Sharon June 7, 2026 at 7:38 pm - Reply

    I haven’t come across this before. It sounds delicious and so easy. I often make regular flapjacks so this will make a nice change. Thank you for sharing.

    • ToniG June 16, 2026 at 5:33 am - Reply

      It is a cross between a flap jack and that chocolate concrete that we used to have at school. Thanks for commenting

  8. Lesley Fottrell June 11, 2026 at 1:50 pm - Reply

    Just taken this out of the Oven I have been promising to bake it ever since you posted it. Got to have something to look forward to, because it’s Football all night long! Thank you Toni. X

    • ToniG June 16, 2026 at 5:28 am - Reply

      Bless you. I am lucky as Mr S doesn’t watch it.

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