In a bowl, combine flour, sugar, baking powder, cardamom and salt. Combine milk,
sour cream, butter and egg yolks; stir into dry ingredients just until combined.
Beat egg whites until stiff peaks form; fold into batter.
Bake in a preheated waffle iron according to manufacturer's directions until
golden brown (waffles will be soft).
Serve with honey or syrup.
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