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 5-Ingredient Flat Iron Steak Marinade?

You need 5 ingredients. The key ingredients include: 1 (8 ounce) flat iron steak, or to taste, 2 pinches salt and coarsely ground pepper to taste, 1 red onion, chopped, 2 cloves garlic, minced, and more.

Is 5-Ingredient Flat Iron Steak Marinade suitable as meat & poultry?

Yes, 5-Ingredient Flat Iron Steak Marinade falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover 5-Ingredient Flat Iron Steak Marinade?

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

5-Ingredient Flat Iron Steak Marinade Recipe

Name: 5-Ingredient Flat Iron Steak Marinade
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 (8 ounce) flat iron steak, or to taste; 2 pinches salt and coarsely ground pepper to taste; 1 red onion, chopped; 2 cloves garlic, minced; 2 tablespoons Worcestershire sauce (such as Lea and Perrins(R)), or as needed

Try this homemade 5-Ingredient Flat Iron Steak Marinade recipe the whole family will love. Made with flat iron steak, salt, red onion and garlic. Easy s…

This 5-Ingredient Flat Iron Steak Marinade relies on simple, everyday ingredients such as red onion, chopped and garlic, minced. It comes together quickly and makes 4 servings, at about 101 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 (8 ounce) flat iron steak, or to taste
2 pinches salt and coarsely ground pepper to taste
1 red onion, chopped
2 cloves garlic, minced
2 tablespoons Worcestershire sauce (such as Lea and Perrins(R)), or as needed

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Quick Info

Servings
4 servings
Calories
101 kcal
Category
Meat & Poultry

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5-Ingredient Flat Iron Steak Marinade

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