Electric baking pan: Select electric baking pan for heating. If you like to put oil, you can also choose to put a little olive oil. After the oil is heated, put the frozen sandwich in an electric baking pan and heat it until both sides are golden. Microwave oven: choose microwave oven for heating, remember not to use iron products, you can choose a special dish for heating for five minutes.

1, electric baking pan: select electric baking pan for heating. If you like to put oil, you can also choose to put a little olive oil. After the oil is heated, put the refrigerated sandwich in an electric baking pan and heat it until both sides are golden.

2, heating stalls: choose to use a special machine, some websites will sell toast-sized heating stalls, you can put frozen sandwiches in it to heat.

3, microwave oven: choose to use microwave oven heating, remember not to use iron products, you can choose a special plate for heating, heating time is five minutes.