For strawberry coulis you can use both fresh and frozen berries.
300 g jordbær
150 g sukker
1/2 vaniljestang
The juice of 1/2 lime
0.5 dl water
Mix strawberries, sugar, lime juice and water in a saucepan. Let the mixture simmer on low heat until the sugar has dissolved. Mash with a fork or a hand mixer. Season with sugar. Mash the mixture through a sieve. Put cold for serving.