Greek Potatoes with Dipping Sauce

Dipping Sauce
1/2 cup plain yogurt
1/2 cup sour cream
1/4 white onion
1 small cucumber
1/2 tsp white wine vinegar
1/2 tsp garlic
1/2 tsp oregano
Potatoes
6 potatoes
1/3 cup olive oil
1 1/2 cups chicken stock
1 tsp rosemary
1/2 cup lemon juice
1/2 tsp Dijon mustard
1 tsp dried thyme
2 garlic cloves, minced
2 shallots, minced
salt & pepper to taste

Preheat your oven to 350 degrees. Quarter potatoes and microwave for 2-3 minutes. Mix other ingredients in a bowl. Arrange potatoes evenly in a baking dish and pour mixture over potatoes. Bake until crispy edges form (about 20 minutes); then spray with spray oil and broil for 5 minutes. Serve with dipping sauce.