1¾ cups low-sodium chicken broth
1 tbsp. chopped fresh thyme or 1 teaspoon dried
1 medium onion, diced
1 cup sliced celery
2 cups diced carrots
½ tsp. ground pepper, divided
¼ tsp. salt
2 tbsp. extra-virgin olive oil, divided
⅓ cup all-purpose flour
1 pound boneless, skinless chicken thighs, trimmed, cut into 1-inch pieces
1 cup thawed frozen peas
1 16-ounce package shelf-stable gnocchi