Vegan School Dinners Sponge (traybake)

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School Dinners Vegan Jam Sponge is a plant-based remake of the old British school dinners favourite.

The term old school dinners refers to the school dinners of  the 70s, 80s, and 90s. And the traditional bakes, desserts and meals that were served up during school dinnertimes.

Vegan school dinners jam sponge is an easy, quick and delicious traybake using everyday store cupboard ingredients. So it’s possible that you already have the ingredients for this tasty traybake.

Best of all this cake tastes just as good as the traditional old school bake.

The sponge recipe for this traybake is adapted from a recipe I discovered years ago eggless sponge cake from the book Rose Elliot’s Book Of Cakes (1984). 

You can check out Rose Elliot’s website and some of her recent books over at roseelliot.com.

vegan school sponge with afternoon tea spread
Enjoy old school sponge with an afternoon tea spread. So fun and tasty, Find vegan recipes for old school chocolate concrete cake (cookie/chocolate crunch) and empire biscuits below.

I bake this traybake for picnics, afternoon tea, pack lunch, and whenever anyone comes to visit.

Jam and coconut sponge is also ideal as part of buffet or pot luck spreads, parties, cake sale, and really any celebration or special occasion where food is involved.

The topping can be adjusted to your favourite frosting or decoration. Try a thick water icing and finish with vegan hundreds and thousands sprinkles. So pretty.

vegan old school sponge cake

vegan school dinners sponge

Vegan Old School Dinners Jam and Coconut Sponge (traybake)

Enjoy a slice of history with this delicious old British School dinners vegan jam and coconut sponge traybake.
So simple and quick to bake but so effectively pretty.
Guaranteed to have zero leftovers!
Prep Time: 10 minutes
Cook Time: 25 minutes
Cooling: 1 hour
Total Time: 1 hour 35 minutes
Course: Afternoon tea, Dessert, Party, pudding, Snack
Cuisine: British
Servings: 12
Calories: 234kcal
Author: Jacq

Equipment

  • Rectangular baking tray with deep sides/brownie pan. Size roughly about 10/11 inch by 6/7 inch.
  • Greaseproof paper if needed.

Ingredients

  • 225 grams self-raising flour Sieved.
  • 2 teaspoons baking powder Sieved
  • 175 grams caster sugar
  • 6 tablespoons vegetable oil
  • 1 teaspoon vanilla essence
  • 225 ml water

Jam and coconut topping:

  • 8 tablespoons Jam Give the jam a good mix with a spoon so it's easier to spread.
  • 4 tablespoons desiccated coconut

Instructions

Prepare the sponge:

  • Preheat oven to 160 Fan/ 180 Celsius/ 350 Fahrenheit/ gas 4.
  • Grease baking dish and line with greaseproof paper if necessary.
  • Add dry ingredients to a mixing bowl.
    Mix.
  • Add wet ingredients.
    Mix to a smooth batter.
  • Scoop the cake batter into the baking dish. A spatula is amazing as it helps scrape all the batter off the bowl.
    old school sponge vegan in the baking pan
  • Place baking dish on the middle shelf of the oven.
  • Bake for 25-30 minutes depending on your oven.
    Cake is ready when risen, lightly golden and a knife inserted comes out clean.
    old school dinners sponge vegan baked and golden
  • Leave the cake for about 20 minutes and then carefully remove from the tin. Or simply leave in the tin to cool. It will be fine.
    Carefully peel away the baking paper..
  • Once cool finish the sponge by adding the decoration.

Jam and coconut topping:

  • Whip your jam with a spoon to loosen it up and make it easier to spread.
    Spread over your cake.
    cake being spread with jam
  • Sprinkle coconut over the jam to cover.
    coconut sprinkled over
  • Slice into 12 pieces.
    vegan old school sponge cake

Notes

 
Recipe notes:
  • Store the traybake in a covered airtight container for up to 5 days in a cool, dry place.
  • Un-decorated traybake can be frozen for 3-4 months. Defrost before adding the toppings.
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Nutrition

Calories: 234kcal | Carbohydrates: 38g | Protein: 2g | Fat: 8g | Saturated Fat: 7g | Polyunsaturated Fat: 1g | Monounsaturated Fat: 1g | Sodium: 2mg | Potassium: 39mg | Fiber: 1g | Sugar: 21g | Vitamin A: 1IU | Vitamin C: 1mg | Calcium: 46mg | Iron: 1mg
Tried this recipe?Let us know how it was!
vegan school dinners spone

 

Vegan School Dinners Jam and Coconut Sponge Recipe Notes

  • Jam and coconut sponge will keep fresh for up to 5 days, wrapped in greaseproof paper and placed in an air-tight container. This sponge can also be kept in the same fashion in the fridge.
  • The un-decorated traybake sponge can be successfully frozen for up to 3 months. Just wrap the sponge well to avoid freezer burn and don’t place heavy frozen items on top of the cake!
  • For an iced topping with sprinkles: Sieve about 12 tablespoons of icing sugar and mix with a few drops of water at a time until the desired consistency. Spread over your sponge. Scatter sprinkles over. If only decorating half the traybake with icing just use about 6 tablespoons of icing sugar.
  • If your icing is too thin just add some more icing sugar and mix until its how you like it.
  • For icing that is too thick add tiny drops of water and mix.
  • For a lemon traybake, you could add some grated lemon zest to the sponge mix. Use lemon juice to prepare the icing instead of the water. Decorate with sprinkles or more lemon zest.
  • School dinners jam sponge is traditionally served with pink custard.
  • Usually pink custard would be made with a packet of strawberry or raspberry blancmange mix. But I haven’t been able to source one that is dairy free and vegan. Below is my usual custard recipe:

Vegan Custard Recipe:

A tasty, easy plant-based custard that can be ready in under 20 minutes and used to compliment all your favourite vegan puddings.

Serves 3-4.

  • 2 tablespoons of custard powder
  • 2-3 tbsp of granulated sugar or any sugar, syrup or sweetener of choice
  • 400-500 ml of plant-based milk. (The amount depends on whether you prefer a thin or thicker custard).
  1. Mix the custard powder and sugar together in a medium saucepan.
  2. Add a few tablespoons of milk and mix thoroughly to a smooth paste.
  3. Over a medium heat slowly add the rest of the milk to the paste, whisking with a wooden spoon or fork to avoid lumps.
  4. Bring to a gently boil, stirring all the time.
  5. When simmering turn heat to low.  Cook and stir for a minute or two.
  6. If the custard is too thick just add a little extra milk and stir. If its too thin then simmer for a bit longer to thicken up.
  7. Stir all the time to avoid burning or sticking to the pot.
  8. Serve immediately or cover the surface with a piece of parchment paper to try avoid a skin forming.
  9. If a skin does form just whisk it into the custard. If you leave your custard and it becomes too thick just use a fork and mix through some extra milk to thin. Gently reheat if necessary.

For a traditional pink custard vegetarian recipe, check this one here at littlestuff.co.uk. 

However, this recipe isn’t vegan so only suitable for the vegetarians, etc in your life! Unless of course you can source a vegan blancmange mix and use plant-based milk.

 

Looking for more traditional vegan bakes and afternoon tea time treats?

Vegan Chocolate Concrete Cake (cookie/chocolate crunch)

vegan chocolate concrete cake (cookie)

 

Traditional Vegan Empire Biscuits 

vegan empire biscuits cookies

Classic Vegan Fruit Loaf Cake

vegan fruit loaf cake

 

Traditional Rustic Edinburgh Fruit Scones

Vegan Edinburgh fruit scones

10 thoughts on “Vegan School Dinners Sponge (traybake)”

  1. 5 stars
    I have recently started eating vegan more regularly, and I love jam sponge, so can’t wait to try this! Thanks for the recipe!

    1. Aww that”s so lovely. I did wonder while writing the post if it would bring back fond memories for some visitors. Hope you enjoy the jam sponge 🙂

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