Try this homemade Healthy Tuna Melt Sandwich recipe the whole family will love. Made with Water, Lemon Juice, Vinegar and Olive Oil. Easy step-by-step i…
This Healthy Tuna Melt Sandwich relies on simple, everyday ingredients such as lemon juice, bottled is fine, vinegar, olive oil, or more as needed and prepared mustard. It comes together quickly and makes 4 servings, at about 176 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