Steak Marinade

4 lbs london broil or sirloin steak
1 Tbls minced garlic
2 tsp salt
1/3 c soy sauce
3 Tbls ketchup
3 Tbls olive oil
1 1/2 tsp pepper
1 1/2 tsp oregano

Mix together ingredients into a Ziploc bag.   Slice meat into strips and add to marinade.   Marinate overnight in refrigerator.   Remove and Grill.