In one sentence, describe what the following article is about:

These smaller appliances use less energy overall, and are often faster than cooking in the oven or on the stovetop. Many prepackaged foods come with toaster oven or microwave directions, making it easy and quick to learn how best to use your new tools. Choose a microwave based on your needs. se a pressure cooker. If you want maximum efficiency, purchase a pressure cooker. A pressure cooker is a countertop appliance that takes up very little space, and your foods will cook in about 1/3 of the time of using the oven or stovetop. Depending on the size of your pressure cooker, you can make large batches of soups or stews that will last for several meals. Solar ovens are small, portable, and easy to build. Using a solar oven can be a fun daytime activity to do with the kids, and using the heat of the sun is free. Materials are inexpensive and your solar oven can be used repeatedly.

Summary:
Purchase a toaster oven or microwave. . Build a solar oven.