Cook for several minutes or until the sauce thickens slightly.

Bake until sauce has thickened somewhat, 15 to 20 minutes.

If necessary, turn heat to high until sauce thickens a bit.

After 10 minutes of stirring, the sauce still wasn't thickening.

Simmer for about 25 minutes, until the sauce has thickened.

Cook for 15 minutes over medium heat, or until the sauce thickens a little.

The sauce should thicken and be warm to the touch.

Boil for about 5min, or until the sauce has thickened slightly.

If the sauce thickens too much, add a little additional wine.

Add the cream and cook until the sauce thickens, about 6 minutes.