Try this homemade A.1. Glazed Mushroom & Onion Topper recipe the whole family will love. Made with red onions, oil, cremini mushrooms and Original Sauce…
This A.1. Glazed Mushroom & Onion Topper relies on simple, everyday ingredients such as qt. red onions, large diced, oil and qt. a.1. original sauce. It comes together quickly and makes 4 servings, at about 296 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