# Rainbow Swiss Roll

A colorful and delicious cake roll with buttercream icing.

- Total time: 42 min
- Category: Baked Goods
- Language: en

## Ingredients

- 225 g margarine or salted butter, softened
- 170 g caster sugar
- 3 large eggs, lightly beaten
- 170 g self raising flour
- 1 tsp baking powder
- 1 tsp vanilla extract
- 1 tbsp milk
- blue food colouring
- purple food colouring
- yellow food colouring
- 225 g unsalted or salted butter, softened
- 220 g icing sugar
- 1 tsp vanilla
- 1 tbsp milk

## Instructions

1. Add butter and caster sugar to a bowl.
2. Add eggs to the bowl.
3. Add self raising flour, baking powder, vanilla and milk to the bowl.
4. Whisk until smooth.
5. Split evenly into 3 bowls.
6. Add blue, purple and yellow food coloring to each bowl, then whisk it in.
7. Line a sheet pan with baking paper.
8. Pipe the cake batter in even lines in a 15x9.5" lined tin.
9. Bang it on the table to help flatten it out.
10. Bake at 170C/(150C fan) 10-12 mins.
11. Flip it out the tin.
12. Remove the paper.
13. Flip it again then roll it up carefully.
14. Refrigerate for 30 mins or until cool.
15. Make your buttercream icing with butter, icing sugar, vanilla and milk.
16. Unroll your cake, scoop your icing on top and spread it out to the edges.
17. Carefully roll up your cake.
18. Refrigerate for a clean cut.

## Equipment

- bowls
- electric mixer
- sheet pan
- baking paper
- piping bag

## Tips

- Flip the cake over twice (once out of the tin, then again so the bright colours were on the outside)
- Try to use high quality food colouring such as Wilton or Sugarflair to get bright bold colours without changing the flavour or texture of the cake.

## Source

- Original video: https://www.facebook.com/share/v/16ZwvUMzYv/?mibextid=oFDknk
- Recipe page: https://www.cliprecipe.com/recipe/1a7a2735-7a33-495a-b36b-fb4ca42817c9
- Extracted: 2025-05-18

Extracted from the video by Clip Recipe (https://www.cliprecipe.com). Quantities and steps are as stated or shown in the video. Site guide for agents: https://www.cliprecipe.com/llms.txt