Preheat the oven to 175 degrees Celsius. Grease you muffins tins (if needed).
Mix eggs and monk fruit sweetener in a bowl until slightly fluffy and pale.
Add applesauce, Greek yogurt, milk, fiber syrup/honey/agave and stevia vanilla drops and whisk until combined.
Add the saffron and stir to combine.
Combine oat flour, rice flour, baking soda, baking powder and salt. Add to the wet ingredients and whisk just until combined.
Add raisins (if using) and gently fold into the batter.
Divide the batter between the muffins tins and bake in the oven for 16-20 minutes, until an inserted toothpick comes out clean.
Take out from the oven, cool for 10 minutes, then run a knife around the edges to remove from the tins.