In a large bowl,combine flour,eggs,butter,and sugar,stirring until ingredients are slightly mixed

Add the milk 1/2 cup at a time,stirring vigorously,making sure the milk is completely incorporated into the batter and that the batter is smooth before adding more milk

Repeat with the rest of the milk,the batter should be very liquidy and have no lumps

In a pan over medium heat, pour 1/3 cup of the batter in the center and swirl the batter around the edges of the pan until set

To know when the crepe is ready to flip,lift up one of the edges about 1/3 of the way.The bottom side of the crepe should be golden brown.Flip the crepe

Cook until the edges are starting to slightly crisp.Remove from heat and cover with a paper towel to make sure the crepes stay moist

Spread half of the chocolate hazelnut spread on half of the crepe

Lay some of the sliced bananas on the chocolate spread

Fold the other half of the crepe on top of the bananas,then fold the crepe in half

Repeat with the other crepes and enjoy;]