Penne with Mixed Peppers and Tuna

Ingredients

• 2/3 lb penne pasta
• 1/4 cup olive oil
• 4 sweet peppers (1 each red, yellow, orange and green), in bite-si
• 2 large cloves garlic, minced
• 1/4 cup chopped fresh parsley
• 1 tbsp capers
• 1/4 tsp hot pepper flakes
• 2 cans (6.1 oz/173 g each) tuna, drained and flaked
• 1 cup tomato sauce (or more, to taste)
• salt and pepper
• 1/3 cup chopped fresh basil