Combine olive oil, vinegar, garlic, salt, and pepper in a bowl. Mix until well combined
Using a whisk, blend the yogurt with the sour cream.
Add the olive oil mixture to the yogurt mixture and mix well. Finally, add the cucumber and chopped fresh dill. Chill for at least two hours before serving.
Garnish with a sprig of fresh dill just before serving
Please note: this recipe has been created and uploaded by a member of the Tesco Real Food online community. Tesco does not test customer recipes so cannot accept responsibility for the content, validate the results or answer queries regarding them.