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1
Preheat a waffle iron to medium-high.
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2
Whisk the flour, baking powder, and salt in a large bowl.
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3
Separate the 2 eggs and put all the whites in a large bowl.
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4
In a large liquid measuring cup or medium bowl, whisk the egg yolks, milk, vanilla, and 1/4 cup melted butter.
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5
Whisk the milk mixture into the flour mixture until a batter is formed.
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6
Take care not to over mix the batter.
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7
Whip the egg whites with a hand-held electric mixer or whisk, until they just begin to hold a loose peak.
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8
Scatter the sugar over the whites and continue beating until they hold a soft peak.
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9
Fold a third of the egg whites into the batter to lighten the base, then fold in the remaining whites.
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10
Gently fold in the chocolate chips.
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11
Brush the inside surface of the iron with butter.
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12
Pour in enough batter to barely fill each hole of the waffle iron; the amount will vary depending upon the size of the iron.
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13
(Take into consideration that the batter will spread once the lid is closed.)
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14
Close and cook until crisp and the waffle iron stops steaming, about 5 minutes.
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15
Serve as the waffles come off the iron or transfer to a rack set on a pan in preheated 200 degree F oven to keep warm.
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16
Repeat with the remaining batter.
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17
(If the waffle iron is well seasoned or nonstick it is not necessary to brush the inner surface each time before cooking the waffles.)
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18
Serve the waffles with syrup, jam, fresh fruit, or yogurt.
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19
Or turn into a dessert with a scoop of ice cream.
