I have a question about the recipe "Chocolate-Almond Croissants" from Mei Chin. Can you make this successfully with a hand mixer and not a stand mixer?
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Unless your hand mixer has a dough hook, the answer is no.
Your options for Step 3 are to A.) use an adequately sized food processor with the proper attachment or B.) do it by hand, the old fashioned way (elbow grease).