In the beginning, the oven is preheated at 325 degrees.
In a bowl, combine the flour with the cinnamon. At the same time pulse the butter in the blender and it will get a creamy texture.
Now break the egg and blend this egg with the milk. Pour some vanilla essence into this blend.
Now in this liquid blend slowly add the flour mixture. They should be well combined. Once you have well-stirred both the mixtures together then it's time to add oats and raisins in it.
Blend the oats and raisins in it and your mixture for the cookies is ready.
Line the baking sheet with parchment paper and spoon the mixture on the baking sheet.
Put the pan into the oven and bake the cookies for 15 minutes.
Your healthy snack of oatmeal Cookies is ready to serve after baking.