Combine the salt and eggs in a medium bowl, and beat with a mixer at high speed until foamy.
Gradually add in the sugar, beating constantly until the mixture is thick and pale (about 5 minutes).
Mix the flour and spices in a bowl and stir well. Gradually fold the flour mixture into the egg mixture. Gradually fold in the margarine and vanilla.
Coat a madeleine pan with GF cooking spray. Spoon about 1 Tablespoon of the mixture into each madeleine form. Bake at 400 degrees F for 8 minutes or until lightly browned.
Remove the madeleines from the pan using the tip of a knife. Let them cool completely on a wire rack. Sprinkle with powdered sugar.
TIPS:
GF flour mix: 6 cups white rice flour, 2 cups potato starch, 1 cup tapioca starch.
