Shepherds Pie

Name: Shepherd's Pie
Ingredients: 1 lb. lean (or extra lean) ground beef; 1 large yellow onion, roughly chopped; 1 cup chopped carrots; 1 1/2 cups fresh peas; 2 cloves of garlic, chopped; 1/2 cup of parsley, chopped and divided; 1 1/2 cups stock; 1 tbsp. olive oil; 2 tbsp. tomato paste; 2 sprigs of fresh thyme; 1 tbsp. dried oregano; 1 tsp. ground coriander; 1/2 tsp. cayenne pepper; pinch of allspice; 1 bay leaf; 2 tbsp. organic corn starch; 2 or 3 potatoes (depending on how thick you want the topping); 1 cup greek yogurt; salt and pepper to taste