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Lesson pack

Raw seaweed sheet

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A New Field

At a glance

Family

Leather / sheet

Difficulty

Beginner

Age

KS2 onwards

Active

35 min

Total

36 h

Yield

Two A5 sheets per group of four students.

Whole foraged kelp or wrack rinsed of salt, blanched briefly, blended into a slurry and dried slowly into a thin, translucent sheet. Different from R005 alginate film, which uses purified powder; this version keeps the colour, fibre and faint smell of the sea.

Before the session

  1. Print the risk note and pin it on the wall
  2. Check allergens against your participant list
  3. Pre-warm the pan and prepare the first demo batch
  4. Lay out tools by station
  5. Set aside a quiet corner for rest phase

A minute by minute plan you can hand off.

Edit any phase. The host pack will update with your changes.

  1. Arrival and welcome

    10 min

    Participants arrive, take a seat, sign the allergen and consent sheet. Host introduces the session.

  2. Material walk

    15 min

    Host walks participants through the foraged material. Brief safety note and a demonstration of the first step.

  3. Making

    70 min

    Participants follow the recipe in pairs. Host circulates, checks pans, gives one-to-one support.

  4. Rest and science talk

    15 min

    While the material rests, the host runs a short science talk. Questions answered.

  5. Pack up and send-off

    10 min

    Participants wrap and take their piece home. Host hands out the participant handout.

Ingredients and equipment

Flexible slots

  • Whole-plant alginate source · 100g fresh weight · e.g. Sugar kelp, brown wrack (Fucus), oarweed, dulse, sea lettuce

Fixed ingredients

  • Water · 200ml
  • Glycerine · 5g

Equipment

Blender, fine sieve, baking paper, tray, oven or warm room.

Safety

Forage well above the high-tide line and only from clean coastlines. Rinse three times to remove salt and grit. Allergies to iodine should be checked before handling.

Variations

Mix a small handful of fine cellulose powder (oats, ground rice) into the slurry for a thicker, more opaque sheet.

In the pack

  • Run sheet · Minute by minute phases with host prompts.
  • Shopping list · A consolidated shopping list with quantities for your group size.
  • Risk note · An adaptable risk note you can hand to your venue.
  • Participant handout · A double-sided A5 take-home with method and care notes.

Every A New Field recipe has been run in a domestic kitchen or community hall. Read the safety notes before you start and adapt for your venue.

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