Heat oil in a large pot over medium heat
Add chopped onions and cook until softened
Add minced garlic and cook briefly
Add chicken pieces and brown on all sides
Stir in salt, black pepper, paprika, and thyme
Add chopped carrots, potatoes, and celery
Pour in chicken broth or water
Add bay leaves if desired
Bring to a boil
Reduce heat to low and cover
Simmer until chicken is cooked and vegetables are tender
Stir occasionally
Adjust seasoning to taste
Remove bay leaves
Serve hot