How to Make It
Heat oil in a large Dutch oven over medium-high. Add onion, fennel, garlic, and mushrooms; cook 15 minutes or until liquid evaporates, stirring occasionally. Stir in tomato paste; cook 1 minute. Add stock and next 5 ingredients (through chickpeas); bring to a boil. Reduce heat and simmer 5 minutes.
Stir in kale. Add tortellini, or follow freezing instructions. Cook 8 minutes or until tortellini are done.
Remove pan from heat; stir in vinegar. Divide soup among 12 bowls; sprinkle with parsley.
HOW-TO FREEZE: Cool soup completely. Once cool, add tortellini. Freeze flat in a large ziplock freezer bag for up to 2 months. THAW: Microwave soup in bag at MEDIUM (50% power) for 8 minutes or until pliable. REHEAT: Pour soup into a large Dutch oven; bring to a simmer over medium heat. Cook 25 minutes or until tortellini are done. Stir in red wine vinegar. Top with parsley.