Yes, it is common to microwave a plate to warm it up before serving hot food. Microwaving a plate can help to prevent the food from cooling down quickly when it is served. Here's how you can do it:
Choose a microwave-safe plate: Ensure that the plate you are using is microwave-safe. Most ceramic, glass, and microwave-safe plastic plates are suitable for microwaving.
Clean the plate: Make sure the plate is clean and free from any food particles or residues.
Moisture on the plate: If the plate is dry, you can lightly dampen it with water. This helps to prevent the plate from becoming too hot and potentially damaging the food or your hands when handling it.
Microwave time: Place the plate in the microwave and heat it in short intervals. Start with 20-30 seconds and check the plate's temperature. Repeat in 10-15 second intervals until the desired warmth is achieved. Be cautious not to overheat the plate, as it can become too hot to handle.
Remove carefully: Use oven mitts or a towel to protect your hands when removing the plate from the microwave, as it may be hot. Be cautious and handle the plate with care to avoid burns.
It's worth noting that while microwaving a plate is a common practice, it's important to avoid microwaving plates with metallic accents or decorations, as they can cause sparks and damage the microwave. Always follow the manufacturer's instructions and guidelines for safe microwave use.