Spicy tomato and chicken thighs pasta

Ingredients

• 500 gram chicken thighs (or use artichoke hearts for a vegetarian version)
• 1 onion
• 3 garlic cloves
• 1 red chili pepper
• 600 gram tomatoes (we've combined canned and fresh ones)
• 2 tablespoons tomato paste
• small handful of fresh basil + extra for garnish
• olive oil
• pepper and salt to taste
• about 300 gram pasta of your choice (75 gram dried pasta p.p.)