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The flour itself was stronger than normal flour , often made from coarsely ground rye , and suet , which was mixed with hot water to create an early form of hot water crust pastry .
 rye, hot water crust pastry
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 rye, hot water crust pastry