Stir fried vegetables in ginger sauce

Ingredients

• 100 gms. carrots, sliced round
• 100 gms. caulifower cut into small florets
• 100 gms. french beans cut in 1-2 inches length
• 100 gms. button mushrooms sliced into halves
• 4-5 spring onions, bulbs sliced into halves & green stems cut into 1-2 inches length
• 100 gms. paneer (cottage cheese) cubed -- optional
• 1 small bunch of spinach, leaves cut into halves -- optional
• 1 inch ginger, skinned and diced into very small pieces
• 2 tbspns. soya sauce
• 2 tbspns. corn flour
• salt to taste