Try this homemade Mushroom Squares recipe the whole family will love. Made with cream cheese, butter, egg yolk and onion. Easy step-by-step instructions…
This Mushroom Squares relies on simple, everyday ingredients such as cream cheese, soft butter, egg yolk (raw) and grated onion. It comes together quickly and makes 4 servings, at about 334 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