Explain what it is, then add vinegar to the pool.
Add a little more oil or vinegar until it is just right.
Add wine, vinegar, 2 tablespoons olive oil and 1 cup water.
With the machine running, slowly add the remaining olive oil and vinegar.
After a few minutes, add balsamic vinegar, salt and pepper.
In a separate bowl, beat egg, and then add vinegar.
Add vinegar and most of the oil, and process until smooth.
While the split peas are still warm, add the oil and vinegar.
Add vinegar or lemon juice, stir, and turn off the heat.
Add wine and vinegar, bring to simmer, transfer to bowl.