Sometimes two foods are so similar we mistake them for one another — yams and sweet potatoes, baking powder and baking soda, and cilantro and parsley, to name a few. They’re all different foods that could never be used interchangeably. The other day I ran into another example as I was baking a pie that required condensed milk, but in a hurry, I had purchased evaporated milk. Yikes! I wondered if I had to go back to the store, or could I substitute one for the other? They both contain a shelf-stable concentrated canned milk substance, but in my research, I learned that there are clear differences. Let’s explore. Condensed milk Condensed milk is often referred to as sweetened condensed milk, and the name gives a hint at what makes it different. This shelf-stable milk concentrate has had about 60 percent of its water removed and loads of sugar added…