Try this homemade Grown Up Harriet The Spy Sandwich (vegan) recipe the whole family will love. Made with tomato, veganaise, mustard and honey wheat brea…
This Grown Up Harriet The Spy Sandwich (vegan) relies on simple, everyday ingredients such as veganaise, sweet pickle relish and dejon mustard. It comes together quickly and makes 4 servings, at about 10 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