Can I use frozen strawberries to make coulis?

Frozen strawberries will work beautifully in coulis. Thaw them first and draining to remove excess water. Because thawed frozen strawberries are already slightly soft, they will take slightly less time to cook.

What else can I add to strawberry coulis?

If you like, you can add vanilla extract or other flavorings to this coulis. You'll only need a teaspoon (or less) so add a little and taste before adding more. Other good flavor options are almond extract , orange or lemon zest, or a pinch of black pepper.