1. Preheat oven to 400°F. Mix flour, Italian seasoning, garlic salt and pepper in shallow dish. Toss beef strips with flour mixture.
2. Spray large nonstick skillet with no stick cooking spray. Add beef and onions; cook and stir on medium-high heat 3 minutes or until browned. Add remaining ingredients, except pie crust; mix well. Bring to boil. Pour into 9-inch deep-dish pie plate or 2-quart round baking dish. Top with pie crust. Seal and flute edges. Cut several slits in top.
3. Bake 25 to 30 minutes or until crust is golden brown.