Learn how to make the best buttery, rich, & velvety caramelized onions with this easy recipe. Two simple ingredients transform into golden brown sweet onion strings that are tasty to add to any recipe.
Slice the onions to a medium thickness. Using a mandoline to get uniform slices is recommended.
Add the butter to a medium-sized pot. Melt the butter on low heat.
Once the butter has melted, add the sliced onions to the pot.
Cook on low heat, stir occasionally.
After 30 minutes of cooking onions low and slow, they will start to caramelize. The sliced onions will be soft and translucent. Some of them will start to brown and turn golden,
Continue cooking for another 15-30 minutes depending on how dark and rich you want your caramelized onions.
Total cook time should be between 45-60 minutes. Once done, turn the stove off.
Use the caramelized onions in a recipe or add them to a burger, sandwich, or omelet. This makes about 8 servings if added to a recipe. Depending on the size of your onion, you will have approximately ½ cup of caramelized onions.