Try this homemade Mars Bar & Marshmallow Slice recipe the whole family will love. Made with butter, rice bubbles, marshmallows and sprinkles. Easy step-…
This Mars Bar & Marshmallow Slice relies on simple, everyday ingredients such as mars bars, roughly chopped, butter, rice bubbles and mini marshmallows. It comes together quickly and makes 4 servings, at about 387 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