Gather all ingredients.
Bring a large pot of water to a boil. Add noodles and frozen peas; simmer for 8 to 10 minutes, or until noodles are al dente. Drain well, then return noodles and peas to the pot.
Stir in condensed soup, tuna, cheese, onion, and pepper until well mixed and the cheese has melted. Serve.
Serve hot and enjoy!
