Bring 4 cups water, 1 tablespoon cooking oil and 1 teaspoon salt to a full rolling boil in a 3 quart covered casserole dish for 6 to 10 minutes on High. Stir in noodles and recover. Microwave 8 to 10 minutes on Medium or until tender. Drain, rinse with hot water and set aside.
Place butter, onion and celery in 2 quart glass casserole. Microwave about 3 minutes on High or until partly cooked.
Stir in remaining ingredients except potato chips. Sprinkle with crushed potato chips and microwave about 8 to 11 minutes on Medium High or until heated through (about 150F).