How many servings does this recipe make?

This recipe makes 4 servings. You can adjust the portion size directly on this page.

What ingredients do I need for Green Bean Stuffed Portabellas?

You need 7 ingredients. The key ingredients include: 12 portabella mushroom caps, about 3-inch diameter, 1 teaspoon Old Bay Seasoning, butter-flavored cooking spray (IE I cant believe Its Not Butter NOT Butter Flavored Oil), ¼ cup grated parmesan cheese, and more.

Is Green Bean Stuffed Portabellas suitable as general?

Yes, Green Bean Stuffed Portabellas falls under the General category and is a great choice for this type of meal.

How do I store leftover Green Bean Stuffed Portabellas?

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

Green Bean Stuffed Portabellas Recipe

Name: Green Bean Stuffed Portabellas
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 12 portabella mushroom caps, about 3-inch diameter; 1 teaspoon Old Bay Seasoning; butter-flavored cooking spray (IE I cant believe Its Not Butter NOT Butter Flavored Oil); ¼ cup grated parmesan cheese; 2 tablespoons Italian seasoned breadcrumbs; 1 tablespoon melted butter; 1 ½ cups leftover cooked green beans, from a casserole

Try this homemade Green Bean Stuffed Portabellas recipe the whole family will love. Made with portabella mushroom caps, butter, parmesan cheese and Ital…

This Green Bean Stuffed Portabellas relies on simple, everyday ingredients such as old bay seasoning, grated parmesan cheese, italian seasoned breadcrumbs and melted butter. It comes together quickly and makes 4 servings, at about 176 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

Serves 4 General

Servings: persons

12 portabella mushroom caps, about 3-inch diameter
1 teaspoon Old Bay Seasoning
butter-flavored cooking spray (IE I cant believe Its Not Butter NOT Butter Flavored Oil)
¼ cup grated parmesan cheese
2 tablespoons Italian seasoned breadcrumbs
1 tablespoon melted butter
1 ½ cups leftover cooked green beans, from a casserole

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
176 kcal
Category
General

Eats Now Editorial Team

Recipe developed & tested in-house

Passionate cooks who develop and test new recipes every day – from quick weeknight dinners to special occasion feasts.

Reviewed by the Eats Now Kitchen Team

More about our team →

Green Bean Stuffed Portabellas

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions