Sauces

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Across
  1. 2. Ready-made sauce bought from a shop (3)
  2. 4. Ingredient used to sour or balance flavour (4)
  3. 5. Process of keeping yourself clean in the kitchen (7)
  4. 6. A method of cooking sauces slowly (6)
Down
  1. 1. Substance added to extend shelf life (12)
  2. 3. A sauce made from oil and acid (9)