Under-$10 Kitchen Gadgets You Won't Believe You Ever Lived Without

What it was made for: Cooking an egg in the microwave—in the ideal shape for topping an English muffin for a to-go breakfast sandwich. The lid works as a splatter shield and helps the egg steam.

What you can also use it for: Quickly make mini omelets, since it's easy to mix in cheese, vegetables or herbs with minimal cleanup (unlike a nonstick pan, this tool is dishwasher-safe).