Easy Recipe for Gravy without Drippings

Ingredients (10)

• 4 Tbsp unsalted butter
• 1 onion
• 1 carrot
• 1 rib celery
• ¼ cup all-purpose flour
• 14 oz chicken broth
• 14 oz beef broth
• 1 bay leaf
• ½ tsp dried thyme
• Salt and pepper to taste