Creamy Chicken and Cauliflower Rice Soup

So I guess Sundays are gonna be new soup Sundays. This weeks creation:

Creamy Chicken and Cauliflower Rice Soup

4 Tbsp butter

3 to 4 stalks of celery sliced

3 to 4 carrots sliced

1/2 onion diced

1/4 cup flour

Bay leaf

6 cups chicken broth

1 cup diced chicken

1 1/2 cups cauliflower rice

3 cups milk

Spices to taste: garlic, pepper, parsley.

Melt butter.  Saute celery,  carrots,  and onion until softened (about 10 minutes). Sprinkle flour to coat vegetables and stir for final 2 minutes. 

Return to a boil after each step:

Add chicken broth and bay leaf.  

Add chicken. 

Add cauliflower rice.  

Add milk.

Add spices.