Italian zucchini soup - Astray Recipes

Ingredients

• 2 tablespoons Olive oil
• 1 Onion -- diced
• 16 ounces Plum tomatoes
• 1 pounds Zucchini -- rinsed and sliced
• 1 large Potato -- peeled & diced
• 2 teaspoons Salt
• ½ teaspoon Black pepper
• 1 large Egg -- beaten
• ½ cup Parmesan cheese -- grated
• 6 Basil leaves -- chopped