Dice the peppers and tomatoes. Cut the spring onions and peppers into rings. Halve the olives. Dice the sheep cheese.
Put the pasta in the boiling water and cook until al dente.
Heat olive oil in a pan and sauté the diced pepper. Then add spring onions and tomatoes and sauté a little while stirring several times. Add the pepperoni, olives, pesto and sheep cheese, heat again and season with salt, pepper and chilli to taste.
Drain the pasta, place on plates with the sauce and garnish with basil.