Chicken Stew

Name: Chicken Stew
Prep time: 15 min
Cook time: 45 min
Total time: 1 h
Cuisine: American
Ingredients: 1 yellow onion ($0.58); 3 ribs celery ($0.36); 4 cloves garlic ($0.32); ½ lb. carrots ($0.57); 1¾ lbs. chicken thighs (boneless, skinless, $6.85); 4 Tbsp all-purpose flour (divided, $0.02); 2 Tbsp butter ($0.20); 1 Tbsp olive oil ($0.22); 1½ lbs. baby potatoes (cubed Yukon also work, $1.96); 1 tsp dried parsley ($0.10); ½ tsp dried thyme ($0.05); ½ tsp dried rosemary ($0.05); ½ tsp dried sage ($0.05); ¼ tsp black pepper (freshly cracked, $0.02); 2 cups chicken broth ($0.26); 2 cups vegetable broth ($0.26); 1 Tbsp fresh parsley (chopped, optional, $0.10)