In a large pot over medium high heat add in oil and butter.
2 tbsp olive oil, 1 tbsp butter
Once butter begins to melt, add in clean leeks. Stirring occasionally, allow the leeks to cook for about 4 minutes, or until softened.
2 large leeks
Next, add in celery, carrots, thyme, bay leaves, pepper, and seasoning salt.
2 stalks of celery, 3 peeled carrots, 2 sprigs of fresh thyme, 2 bay leaves, 3 tsp seasoning salt, 1 ½ tsp coarse black pepper
Add in chicken broth and lower heat to a simmer.
9 cups chicken broth
Cook for 20-25 minutes, or until carrots are tender.
In a small bowl whisk 1 cup of water and cornstarch, then set to the side.
1 cup water, ¼ cup cornstarch
Once carrots are tender, add in the chicken and the tortellini.
2 lbs cooked chicken, 14 oz bag of cheese tortellini
Increase the heat to medium high heat, and cook for about 4-6 minutes.
Next, pour in the water and cornstarch mixture.
Stir until broth has thickened, then reduce the heat to low.
Slowly pour in the half and half.
1 cup half and half
Stir and cook for about 5 more minutes.
Turn the heat off, and remove the pot from the hot burner.
Serve & enjoy!