Try this homemade Tomato And Onion Sandwich recipe the whole family will love. Made with white bread, mayonnaise, onions and tomatoes. Easy step-by-step…
This Tomato And Onion Sandwich relies on simple, everyday ingredients such as white bread, mayonnaise, onions (sliced really thin) and salt and pepper. It comes together quickly and makes 4 servings, at about 34 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