Low-Fat Yogurt
["1 qt. 2% milk", "1/4 c. instant nonfat dry milk", "2 tsp. low-fat natural yogurt"]
["Mix milk and dry milk solids in a medium saucepan.", "Heat to scalding (150\u00b0); cool to 110\u00b0.", "Stir in yogurt.", "Transfer mixture to a glass or crockery bowl.", "Cover with plastic wrap; wrap bowl securely in a heavy bath towel.", "Set in warm place (100\u00b0 to 125\u00b0) for 4 to 6 hours until yogurt has formed.", "Place several layers of paper toweling directly on yogurt; refrigerate covered until cold. Makes about 1 quart."]
["milk", "milk", "low-fat natural yogurt"]