Popsugar Lifestyle Caramelized Onions How to Caramelize Onions How to Caramelize Onions the Right Way 17 May, 2018 by Nicole Perry View On One Page Photo 1 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Slice Off the Tops and Bottoms Start with at least three onions of the same type (any less seems not worth the effort, and these reheat well), whether it be yellow, white, or red. Cut off the tops and bottoms of the onions. Previous Next Start Slideshow Caramelized OnionsOnionsFood How-ToCooking TipsCooking Basics