Brown Gravy

All simple gravy that doesn't require drippings. From Cooking Light.

• Ready In: 40 mins
• Serves: 7

Ingredients

• 2 (14 ounce) cans  reduced-sodium beef broth
• 1  cup onion, chopped
• 1⁄2 cup fresh mushrooms, chopped
• 1⁄4 cup celery, chopped
• 1⁄4 teaspoon dried thyme
• 1⁄8-1⁄4 teaspoon pepper
•  cooking spray
• 2  tablespoons flour

Directions

1. Combine first 6 ingredients in a medium saucepan and bring to a boil.
2. Cook 15 minutes or until liquid is reduced to 2 cups.
3. Strain mixture through a sieve into a bowl; discard solids.
4. Coat a medium skillet with cooking spray and place over medium-high heat until hot.
5. Add flour and cook 2 minutes or until browned, stirring constantly.
6. Transfer flour to a large bowl and cool completely.
7. Add 1/4 cup broth mixture to flour and stir well with a whisk.
8. Add remaining broth mixture; whisk well.
9. Pour mixture in pan and place over medium-high heat.
10. Bring to a boil; reduce heat and simmer 3 minutes or until thick, stirring constantly.