Ingredients

• 1 clove garlic
• 1 1/2 lb flank steak
• 1/2 c catsup
• 2 tbsp worcestershire sauce
• 2 tbsp lemon juice
• 1/4 c onion (minced)
• 1 tbsp cooking oil
• 1 1/2 tsp prepared mustard
• 1 tsp salt
• 1 tsp lemon rind (grated)
• 1/4 tsp black pepper
• 1 slice mushroom