Quarter the apples and remove the seeds and cores. (Do not peel.) Place them in a bowl, add the lemon juice and toss thoroughly to coat.
Place the apples, water, and sugar in a heavy saucepan. Cover pot and let simmer over low heat for about 30 minutes, or until the apples breakdown to a sauce-like consistency.
Remove from the heat, uncover pot, and allow the apples to cool slightly. Gently push the apples through a food mill or wire sieve using a rubber scraper. Discard the skins. Refrigerate until ready for use.
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