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Yield: definition, yield percentage and factors affecting yield sheet
5-mark answer frame

Define yield. Explain the factors affecting yield, with an example of yield calculation.

How to lay out the answer. Follow the frame, then write it in your own words.

  1. 1 · Open in two lines. Yield is the usable amount of food left after cleaning, trimming or cooking. It decides how much to buy and how many portions a batch gives.
  2. 2 · AP, EP and the formula. [Diagram: AP 20 kg → cleaning and trimming → EP 12 kg (60%) + waste 8 kg]; yield % = EP ÷ AP × 100
  3. 3 · Worked example. Yield 60%; to get 30 kg florets buy 30 ÷ 0.60 = 50 kg.
  4. 4 · Factors.
    • Quality, size, maturity and market form.
    • Pre-preparation method, staff skill and tools.
    • Cooking method, holding time, storage and portion control.
  5. 5 · In food service. Hospital diets are planned on the edible portion, so yield figures keep each plate's nutrients accurate.
  6. 6 · Close in one line. Knowing yield prevents both shortage and over-buying.

Scoring tip: Always show the formula and one small sum; it turns a short note into full marks.