Spaghetti with minced meat

Ingredients

• 240 g / 8.46 oz / 0.53 lb cooked spaghetti
• 500 g / 17.6 oz / 1.1 lb veal minced beef
• 300 ml / 10.1 oz / 10.1 oz of crushed natural tomatoes
• 1 onion cut into small squares
• 1 garlic clove, chopped
• 1/2 green bell pepper cut into small squares
• 1/2 red bell pepper cut into small squares
• 1/2 yellow bell pepper cut into small squares
• Parmesan cheese to taste
• Salt and pepper to taste
• Olive oil