INGREDIENTS
1 lb
Flank steak
3 cloves
Garlic
1 lb
Mushrooms
1
Onion, large
1/2
Onion, chopped (about 1/2 cup)
1 tbsp
Lemon juice
1/3 cup
Soy sauce
1/2 tsp
Pepper
1/2 tsp
Salt
1
Salt and pepper
1 tsp
Sugar
1/3 cup
Olive oil
4
Hoagie buns or other bread, large
1
Olive oil and butter