Try this homemade Tuna Asparagus Casserole recipe the whole family will love. Made with mushroom soup, almonds, onion and tuna. Easy step-by-step instru…
This Tuna Asparagus Casserole relies on simple, everyday ingredients such as asparagus spears, drained, mushroom soup (undiluted), slivered almonds and french-fried onion rings. It comes together quickly and makes 4 servings, at about 530 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.
It's versatile enough for an easy weeknight dinner yet satisfying enough for guests at the weekend. Serve it with your favorite sides, and keep any leftovers for a quick meal the next day.
Updated Jun 30, 2026