Easy chicken and tortellini soup

Name: Easy chicken and tortellini soup
Cuisine: European, Italian, Mediterranean
Ingredients: 3.4 from; 5 votes; 1 Tbs. olive oil; 1 onion diced; 2 cloves garlic crushed; 3 cans chicken broth 15oz - 16.9oz each; 1 can diced tomatoes; 2-3 cups kale chopped; 19 oz frozen cheese tortellini; 2-3 cups cooked chicken chopped; 1/2 tsp. Italian seasoning; salt and pepper to taste; Parmesan cheese for topping optional