Mix flour, mustard, garlic salt and pepper together.
Coat steaks on both sides in seasoned flour mixture.
To preheat browning dish, MICROWAVE 4 MINUTES on HIGH.
Add oil and 2 steaks.
MICROWAVE 4 to 6 MINUTES on HIGH, turning steaks over after 2 to 3 minutes.
Preheat browner again, if necessary.
Brown remaining steaks.
Return first two steaks to browner.
Combine soup mix, water, chili sauce, Worcestershire sauce and salt in small bowl.
Pour over steaks.
MICROWAVE 12 to 15 MINUTES on '6', or until steaks are fork tender.