Yogurt and Herb Sauce

2 Tbsp chopped leek

1/4 tsp minced garlic

1 Tbsp olive oil

3 Tbsp chopped fresh herbs

1/2 cup stock (chicken, fish or veal)

1/2 cup plain yogurt

Saute leeks and garlic in olive oil until the onion is softened. Add chopped fresh herbs and stock. Reduce the liquid to 1/4 cup. Remove from the heat and blend in plain yogurt.