This was the late-80s/early-90s, when Japan had the secret sauce and everyone wanted to be just like them.

"You want to see if the secret sauce is still there," he said.

The secret sauce is made from fresh vegetables and chicken.

All companies are protective of whatever they regard as their secret sauce.

They don't want anybody to know their secret sauce.

In less than fifteen minutes he would have told us the ingredients to the secret sauce or anything else.

Making these lifestyle changes is the secret sauce to successful and permanent weight control.

Once you reach a certain level of success in this job, people start to believe you have a secret sauce.

Asked what those variables were, he replied that it's a "secret sauce."

Make sure to try the special, secret dipping sauce.