The invention provides a preparation method of a chocolate crisp doughnut. The preparation method comprises the following steps: charging rice
meal,
corn flour,
soybean meal,
calcium carbonate and white granulated
sugar powder in a stirring tank for being stirred for 4-5 minutes, adding water, table salt and flour and continuously stirring for 4-5 minutes to obtain a premix; setting a temperature of each region of a bulking
machine, feeding the premix, bulking,
cutting into a ring; introducing into a
tunnel kiln and baking for 20-30 minutes to obtain the doughnut; mixing a cocoa butter substitute and
lecithin, accurately
grinding in an accurate
grinding tank at a temperature of 42-45 DEG C for 5-15 minutes, adding the white granulated
sugar powder and refined salt, continuously and accurately
grinding for 15-25 minutes to ensure that the white granulated
sugar powder and the refined salt are uniformly mixed, adding full-cream milk powder,
maltodextrin and whey powder, continuously and accurately grinding for 8-9 hours to ensure that the full-cream milk powder, the
maltodextrin and the whey powder are uniformly mixed, adding edible essence,
vanillin and
ethyl maltol and continuously and accurately grinding for 15-20 minutes to ensure that the edible essence, the
vanillin and the
ethyl maltol are uniformly mixed to obtain a chocolate
coating with a
fineness of 30-33 micrometers; and
coating the chocolate
coating on the doughnut by using a coating
machine to obtain the chocolate crisp doughnut. The chocolate crisp doughnut is simple in preparation method, low in cost, rich in
nutrition, reasonable in matching, good in taste and delicious in
flavor.