If your microwave looks anything like ours, there are plenty of remnants from last night’s (and last week’s) meals.

While there isn’t a hard rule on how often you need to clean the microwave, it’s wise to give it a wipe down once a week — or when splatters are on the interior (we’re looking at your, spaghetti sauce). Fortunately, cleaning the microwave is a breeze, if you follow these two tips from green cleaning expert Leslie Reichert.