Drain 15 ounces can diced tomatoes and add to beef. Break up 6 ounces Ramen noodles and add to beef with ramen seasoning packet, 15 ounces can corn, and 1 cup frozen peas. Add water if needed to cover the noodles.
Bring to a boil then cover and reduce heat to low. Simmer 10 minutes or until noodles are fully cooked.