Chicken Tomato Pasta

Ingredients

For 4 servings

• 250 g pasta
• 1 tablespoon olive oil
• 1 tablespoon (20 g) butter
• 12 oz (350 g) chicken breast, cut into 1-inch cubes
• 1 medium onion, finely sliced
• 1/2 lb (225 g) closed cup mushrooms, sliced
• 4 garlic cloves, finely chopped
• 1/2 teaspoon red chili flakes
• 1 teaspoon dried basil
• 1 teaspoon dried oregano
• 2 tablespoons tomato paste
• 2 cans (14 oz / 400 g each) crushed tomatoes
• 2 cups (75 g) baby spinach
• 1/3 cup (40 g) grated Parmesan
• Salt and freshly ground black pepper to taste