Sushi bowl with mushrooms - European Mushrooms

Ingredients

• 285g uncooked white rice
• 1 cucumber, chopped
• 1 carrot, sliced
• 200g of white mushrooms, sliced
• 140g of tuna (2 small cans)
• 2 tsp of extra virgin olive oil
• Salt and pepper to taste
• Lime to garnish (optional)