Marble crepes chocolate and vanilla

Preparation

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  In a bowl, mix together the flour the sugar and the salt. Then add the eggs and mix.
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  Then, add the vanilla extract and the oil. If the batter is too hard to mix, you can pour a little bit of milk. Then add the milk gradually.
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  Pour some batter in an other bowl. Add the cocoa powder and mix. Cover the two bowl with plastic foil and put them in the fridge for 1 hour.
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  Heat a large pan, and apply a little bit of oil with a paper towel. Pour some chocolate batter, making drawings, then pour vanilla batter. Turn your pan so the batter is spread everywhere, then let it cook for 2 minutes.
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  Then turn it over, and cook for 1 minute. Then take it out of the heat. You can also begin by pouring some vanilla batter making drawings and cover with chocolate batter.
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  There you are your marble crepes are ready !