Tortellini and Greens Soup

Name: Tortellini and Greens Soup
Ingredients: 2 teaspoons olive oil; ½ onion; 1 teaspoon freeze-dried Italian seasoning or mixed dried herbs (rosemary, thyme, and basil); 1 teaspoon freeze-dried Italian seasoning or mixed dried herbs (rosemary, thyme, and basil); 1 teaspoon freeze-dried Italian seasoning or mixed dried herbs (rosemary, thyme, and basil); 1 teaspoon freeze-dried Italian seasoning or mixed dried herbs (rosemary, thyme, and basil); 1 teaspoon freeze-dried Italian seasoning or mixed dried herbs (rosemary, thyme, and basil); ⅛ teaspoon crushed red pepper flakes; 1 (32-ounce) carton vegetable broth; 1 (14.5-ounce) can diced tomatoes, undrained; 1 (9-ounce) package refrigerated mixed cheese tortellini; 3 cups shredded [chopped] chard or kale; 3 cups shredded [chopped] chard or kale