How do you translate buttermilk into spanish?

There isn't a direct, one-word translation for "buttermilk" in Spanish. However, you can use these options depending on the context:

1. "Suero de leche": This is the most common and literal translation. It literally means "whey of milk," and it's the most accurate way to refer to buttermilk in Spanish.

2. "Leche agria": This means "sour milk," and it's another common option for buttermilk. It's more commonly used in recipes and cooking contexts.

3. "Buttermilk": You can also use the English word "buttermilk" directly in Spanish. This is especially common in culinary contexts, especially when talking about recipes that use buttermilk.

4. "Suero de mantequilla": This means "butter whey" and is a more specific translation of buttermilk. It's less common but can be used in contexts where you want to emphasize the connection to butter.

The best translation depends on the context of your conversation or writing. If you're unsure, "suero de leche" is the most general and safe option.