What are the requirements for oil temperature when frying dates?

Making materials of flowering jujube: flour 1000g, eggs and sugar 100g, flour oil 50g, caramel 300g, baking soda 10g, sesame 100g, a little saccharin, vegetable oil 1000g (edible amount is about. 1. Knock the eggs into the pot, add white sugar, maltose, baking soda, saccharin, oil and appropriate amount of water, stir well, pour the flour into the dough, take it out and rub it thoroughly, and pick it into small flour (3 pieces per 50g).

2. Soak sesame seeds in boiling water and drain. The dough is kneaded into a ball, and sesame seeds are rolled up one by one, which becomes the green body of "flowering jujube".

3. Add vegetable oil into the pot, heat it to 40% heat, add the green body, fry until golden brown, and it will crack when it opens. Key points of making flowering jujube: 1. The egg liquid should be whipped in one direction;

2. Knead the dough until it is smooth;

3. Avoid excessive oil temperature when frying.