The easiest. I use tube garlic, six cups of broth, canned diced tomatoes and whatever spinach I have. I used 15 oz straight from the freezer last time and it was delicious. When I serve this as the entire meal I double the tortellini. Goes great with cheesy bread.

A food.com recipe.

Ingredients:

• 1 tablespoon  olive oil
• 1⁄2 cup minced onion (about 1/2 small onion)
• 1 garlic clove, minced
• 4 -6 cups  chicken broth or 4 -6 cups  vegetable broth
• 1 (14 ounce) can whole tomatoes, coarsely chopped
• 1 (9 ounce) packagefresh tortellini or 1 (9 ounce) packagedried tortellini
• kosher salt
• cracked black pepper
• 10 ounces  fresh spinach or 10 ounces  frozen spinach, defrosted and chopped
• 1⁄4 cup freshly grated parmesan cheese (optional)

Directions:

1. In a soup pot, heat olive oil over medium high heat.
2. Saute the onion and garlic, stirring often until onions are translucent, about 5 to 7 minutes.
3. Add broth and tomatoes, turn heat up to high, and bring to a boil.
4. Add the tortellini and cook according to package instructions.
5. When tortellini is almost done, add spinach and taste, adjusting seasonings with salt and pepper.
6. Serve immediately.
7. Garnish each serving with a sprinkling of Parmesan.