Creating your Lemony Tortellini Spinach Soup is a breeze when you follow these simple steps:

1. Heat Oil: In a large pot, heat the olive oil over medium heat.
2. Sauté Onion and Garlic: Add the diced onion to the pot and sauté for about 3-4 minutes until translucent. Stir in the minced garlic and cook for an additional 1-2 minutes until fragrant.
3. Add Broth: Pour in the vegetable broth and bring it to a boil.
4. Add Tortellini: Once boiling, add the tortellini to the pot. Cook according to package instructions, usually around 3-5 minutes if using fresh tortellini or 7-10 minutes for frozen.
5. Incorporate Spinach: After the tortellini has cooked, stir in the chopped spinach and cook for an additional 1-2 minutes until wilted.
6. Add Lemon: Remove the pot from heat and stir in the lemon juice and zest. Add dried oregano, salt, and pepper to taste.
7. Serve: Ladle the soup into bowls and top with grated Parmesan cheese if desired.

These straightforward steps will guide you in creating this incredible soup effortlessly.