With a freestanding solo microwave, you can easily heat up leftovers or ready meals. That's useful if you don't have much time at night or when you want an easy dinner. Want a crispy layer on your ready-made lasagna? Choose a model with a grill function. What size you need depends on what you want to heat up. If you only heat up small bowls of soup, a small model is enough. You need a larger model for large oven dishes. You can place the microwave anywhere on your counter. Make sure to check the dimensions so you're sure it fits.