Final answer:
A grill press typically needs to be preheated for 5 to 10 minutes, following the manufacturer's instructions for the specific model.
Step-by-step explanation:
The question you've asked is related to how long a grill press needs to be preheated before it can be used. The answer to your question is: it depends on the manufacturer's instructions for the specific grill press you're using. However, most grill presses should be preheated for about 5 to 10 minutes, which ensures that the press is hot enough to cook food effectively from both sides once it's placed on the grill.