So, condensed vs. evaporated. One is a sweet lover, the other a creamy worker. They are not interchangeable. They are frenemies in the same can family.
Next time you walk down the baking aisle, stop and stare. Notice those two cans sitting side by side. They look like they’re made of the same stuff, but they have radically different personalities.
Buy both. Try a classic recipe with each. Make a mistake on purpose just to taste the chaos. It’s all part of the fun. Because milk in a can is never boring.