12 oz Penne
5 1/2 oz pesto
1 pinch of hot chilly pepper powder (optional)
4 tbsp strained tomatoes
Put a large pot with water to a boil; when boiling add salt and pasta.
While cooking, put a big skillet over medium heat and warm tomatoes and hot chilly pepper, once savory, remove from heat and add pesto, mix well.
Drain the pasta and put it in the skillet (over medium heat) mix well for 1-2 minutes, serve immediately.
You can use every kind of pasta you like, long or short cut.