in large nonstick saucepan or dutch oven, melt margarine. Add mushroom and garlic.....cook, stirring as needed , until softened, 2 to 3 minutes

add broth, tomatoes a d 3 cups water. Bring o boil.

Add tortellini and return to boil. ....reduce the heat and simmer stirring as needed until tortellini are cooked, about 10 minutes.

Stir in spinach and return to boil

Stir, sprinkle with pepper