Cooked noodles and drained tuna are folded into a mushroom cream-cheese sauce, then finished with Colby Jack and fried onions.
Prep Time 15 minutes mins
Cook Time 35 minutes mins
Resting 5 minutes mins
Total Time 55 minutes mins
Measure tuna after draining and boil noodles before assembly. Finish at 165°F; crisp onions are added late. Use refrigerated leftovers within 3–4 days.