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 Flank Steak and Red Onion?

You need 4 ingredients. The key ingredients include: 1 lb flank steak (about 1 lb), 1 large red onion, peeled & sliced 1/2 in thick, extra virgin olive oil, for rubbing & drizzling, coarse salt & freshly ground black pepper.

Is Flank Steak and Red Onion suitable as meat & poultry?

Yes, Flank Steak and Red Onion falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Flank Steak and Red Onion?

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

Flank Steak and Red Onion Recipe

Name: Flank Steak and Red Onion
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 lb flank steak (about 1 lb); 1 large red onion, peeled & sliced 1/2 in thick; extra virgin olive oil, for rubbing & drizzling; coarse salt & freshly ground black pepper

Try this homemade Flank Steak and Red Onion recipe the whole family will love. Made with flank steak, red onion, extra virgin olive oil and salt. Easy s…

This Flank Steak and Red Onion relies on simple, everyday ingredients such as flank steak (about 1 lb). It comes together quickly and makes 4 servings, at about 317 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 Meat & Poultry

Servings: persons

1 lb flank steak (about 1 lb)
1 large red onion, peeled & sliced 1/2 in thick
extra virgin olive oil, for rubbing & drizzling
coarse salt & freshly ground black pepper

Frequently Asked Questions

Quick Info

Servings
4 servings
Calories
317 kcal
Category
Meat & Poultry

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 →

Flank Steak and Red Onion

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions