Steam the asparagus tips until just tender. Set aside and keep warm.
Cook the fettuccine in boiling water with a good pinch of salt added. Cook about 1 minute less than the package instructions and add frozen peas to the pasta for the last minute. Test the pasta that it is cooked. Drain and add pasta and peas to the sauce, gently stir in the asparagus tips. Serve with pecorino cheese.