Greek Stuffed Zucchini in Egg Lemon Sauce (Avgolemono) - My Greek Dish

Ingredients

• 2 tbsp olive oil
• 1 brown onion
• salt
• 500g ground beef (approx. 1 lb/ 18 oz.)
• 1 large garlic clove
• 3 tbsp white rice
• 125ml white wine (1/2 cup)
• 1 tbsp finely chopped fresh parsley
• 1 tbsp finely chopped fresh mint
• 1 tbsp finely chopped fresh dill, plus extra for garnishing
• 1/4 tsp ground cinnamon
• 1/4 tsp ground allspice
• freshly ground black pepper
• 4 large zucchini
• 1 large potato
• 2 egg yolks
• 1 tbsp cornstarch
• juice of 2 lemons