Ingredients

Instructions

  1. Boil green beans in lightly salted water 8-10 minutes, or until crisp-tender.
  2. To make white sauce, melt butter in medium saucepan over low heat.
  3. Stir in flour; cook 1 to 2 minutes, stirring constantly.
  4. Using a wire whisk, stir in milk; bring to a boil.
  5. Cook, whisking constantly 1 to 2 minutes or until thickened.
  6. Stir in dressing mix and white pepper; set aside.
  7. Preheat oven to 350 degrees.
  8. Spray medium skillet with non-stick cooking spray; heat over medium-high heat.
  9. Add onion and garlic; cook and stir 2 to 3 minutes or until tender.
  10. Remove half of onion mixture; set aside.
  11. Add mushrooms to onion mixture remaining in skillet and cook about 5 minutes or until mushrooms are tender.
  12. Combine skillet mushroom mixture, green beans and white sauce in a 1 1/2 quart casserole dish.
  13. Combine bread crumbs with reserved onion mixture; sprinkle over casserole.
  14. Bake, UNCOVERED, 20-30 minutes, or until heated through.