Grilled Moroccan Spices

• 2 garlic clove
• 1 onion
• 1,000 gr flank steak
• 120 ml olive oils
• 80 gr ginger (minced fresh)
• 75 ml lemon juice
• 30 ml soy sauce
• 10 ml sherry
• 8 gr chili powder
• 6 gr cumin (ground)