Savory Lamb Stir

• 2 lamb leg center steaks
• 2 garlic (cloves)
• 1 1/2 ibs
• 30 ml lemon juice (fresh)
• 30 ml olive oil
• 2 gr oregano leaves (dried)
• 1 gr salt
• 4 slices ozs mushrooms
• 1 slice bell pepper (red)