Balsamic Glazed Flank Steak

INGREDIENTS

• 1 lb. Flank Steak
• 2 tbsp olive oil
• 1 & 1/2 tablespoons unsalted butter
• 1 shallot, minced
• 2 garlic cloves, minced
• 1 cup balsamic vinegar
• 2 tsp sugar or honey
• 1/4 cup chicken stock
• 2 tbsp soy sauce
• 1 tbsp sake
• 1 tsp of fresh grated ginger