Preheat the oven to 180 °C. Grease a baking sheet. Mix the dry ingredients together. Then pour in the water, mixing until well combined.
Roll the dough into a sausage shape and cut into slices. Roll each slice into a stick the size of an adult finger. Place on a baking sheet and set aside for 5 minutes.
Brush with beaten egg and sprinkle with sesame seeds. Bake for 20 minutes then turn the oven down to low until the sticks are crisp.