Cashew And Tomato Brown Rice

• 12 sun tomatoes (dried)
• 4 lemons
• 3 garlic (cloves)
• 3 ribs of celery
• 2 onions
• 2 carrots
• 475 ml vegetable stock
• 180 gr brown rice
• 120 gr cashews
• 45 ml sun tomato oil (dried)