Bake this irresistible Matterhorn Bread at home. Made with bread, margarine, onions and poppy seed. Easy step-by-step instructions included.
This Matterhorn Bread relies on simple, everyday ingredients such as loaf rye bread, margarine, mustard (prepared) and dehydrated onions. It comes together quickly and makes 4 servings, at about 8 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