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Allergy Friendly (including Gluten-Free) Dessert Recipes... this site also lists great substitutions!!!
Gluten free brownies, Gluten Free Girl
Yummy almond flour brownies. I subbed 1 T of cocoa for the coconut flour (made it 1 c. even since I didn't have the choco squares) and used butter for oil. Used about 1/2 of the suggested honey and sugar (subbed rapadura).