Ginger Beef Stir Fry

• 3 carrots
• 1 onion (sliced)
• 1 clove garlic pressed
• 1 green bell pepper chunked
• 1/4 orange marmalade
• 450 gr top sirloin steak
• 100 gr salad lettuce
• 30 ml soy sauce
• 30 ml vegetable oil
• 6 gr ginger root (chopped fresh)