I recommend using a scale, as all my measurements are done in the metric system (and are more accurate).
If you're looking for this in cups/oz please look in the comments below f(^^);;
Every oven is different. I usually time mine for about 14:30-15min. The longer in the oven, the edges will be a little bit darker and crunchy. Don't leave in more than 16min though, you will burn them.
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Place in freezer until ready to use.
Note: You don't need to do this. But I store mine between 30min+. Sometimes even a couple of hours. They just taste better I think.
Fill each Madeline 3/4 and place in middle of over for 12-15 min.
Optional: Powdered sugar