About 3 liters is recommended, which just meets the needs of a family.

baking enthusiasts can choose an oven with a capacity of more than 25L. The larger the oven capacity, the lower and even the temperature inside the oven, and the better the taste of baked food. In an oven with a volume of less than 25L, the temperature in the box is on the high side, and the surface coloring of food will be uneven. For beginners, the oven of 25-36L is enough, and they are familiar with the oven. With the size of 42L and 62L, the big oven can bake more food at a time.

Extended information:

Precautions for using the oven:

1. Pay attention to cleaning the electric oven when using it for the first time

Wipe the inside and outside of the oven with a clean wet cloth to remove some dust. Then you can bake at high temperature in an empty oven for a while, and sometimes white smoke may appear, which is normal. Pay attention to ventilation and heat dissipation after baking.

2. After cleaning, the electric oven can be used normally.

Before baking any food, it needs to be preheated to the specified temperature to meet the baking time in the recipe. It takes about 1 minutes to preheat the oven. If the oven is preheated and baked empty for too long, it may also affect the service life of the oven.

3. Be careful of the oven being heated to avoid being scalded

Besides the high temperature inside, the shell and glass door are also very hot, so be careful when opening or closing the oven door to avoid being scalded by the glass door. When putting the baking tray into or taking it out of the oven, be sure to use the handle. It is forbidden to touch the baking tray or baked food directly with your hands. Do not touch the heater or other parts of the furnace cavity to avoid burns.

4. Clean it after cooling after each use.

It should be noted that when cleaning the door of the box and the shell of the furnace cavity, wipe it with dry cloth, and do not wash it with water. In case of dirt that is difficult to remove, it can be gently wiped off with detergent. Other accessories of the electric oven, such as baking tray and baking net, can be washed with water.