Preheat the oven to 350℉. Line a baking tray with silicone or parchment paper
Weigh out all ingredients. Pour milk, oil and sugar into a pot and bring it to a boil on medium heat
once the mixture is starting to bubble, turn off heat and put in your flour
whisk until all the flour is combined and forms a roux
Add in the cassava flour and mix. You will end up with pretty lumpy mixture
Beat one egg and add to the mixture slowly while folding the egg into the mixture
Make sure to press against the pot to get rid of any lumps. You should get a pretty thick mixture
Mix in the sesame seeds.
Put into a pastry bag and get rid of any excess air. Cut the tip off and pipe the mixture onto the baking tray 1 inch disc. It should give you 12.
Wet your finger with water and flatten the tip.
Place into the oven for 30 minutes.
Let it cool in the oven before eating. It should be pretty chewy and slightly sweet.
Seal in a ziploc bag and refrigerate it. Heat it up in microwave to eat after.
Notes
Play around with your oven temperature. If you want it slightly more darker, I would go up about 5 degree for the same amount of time. Keep an eye on it so you don't burn it.