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 Southwestern Flank Steak?

You need 15 ingredients. The key ingredients include: 3/4 cup lemon juice, 3/4 cup vegetable oil, 1/4 cup Worcestershire sauce, 1 garlic clove, minced, and more.

Is Southwestern Flank Steak suitable as soups & stews?

Yes, Southwestern Flank Steak falls under the Soups & Stews category and is a great choice for this type of meal.

How do I store leftover Southwestern Flank Steak?

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

Southwestern Flank Steak Recipe

Name: Southwestern Flank Steak
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 3/4 cup lemon juice; 3/4 cup vegetable oil; 1/4 cup Worcestershire sauce; 1 garlic clove, minced; 1 teaspoon liquid smoke; 1/4 teaspoon pepper; 1 1/2 lbs flank steaks, butterflied; 1 (8 ounce) package frozen chopped spinach, thawed and well drained; 1 (12 ounce) jar roasted red peppers packed in oil, drained and cut into very thin strips; 1 cup onion, finely chopped; 2 (4 ounce) cans chopped green chilies, drained; 1 garlic clove, minced; 1 teaspoon ground cumin; 1 teaspoon chili powder; 1/4 cup monterey jack cheese, shredded

Try this homemade Southwestern Flank Steak recipe the whole family will love. Made with lemon juice, vegetable oil, Worcestershire sauce and garlic. Eas…

This Southwestern Flank Steak relies on simple, everyday ingredients such as lemon juice, vegetable oil, worcestershire sauce and garlic clove, minced. It comes together quickly and makes 4 servings, at about 1787 kcal each. The step-by-step instructions below are written to be easy to follow, even on a busy day.

It works as a light main on its own or as a starter alongside crusty bread, and it's just as good for a cozy night in as it is for feeding a crowd. Leftovers keep well, so it's a smart choice for meal prep too.

Updated Jun 30, 2026

Serves 4 Soups & Stews

1787

kcal

Calories

Tips for the best results

Read through all the steps once before you start and measure out your ingredients first — it makes everything go more smoothly.
Taste as you go and adjust the seasoning before serving.
Avoid overcrowding the pan — cook in batches if needed for the best texture.
Let the dish rest for a few minutes before serving so the flavors settle.
Store leftovers in an airtight container in the fridge and enjoy within a few days.

Variations & substitutions

Use a neutral oil or a plant-based spread in place of butter for a dairy-free version.

No specific allergen information. Please check the ingredient list for possible allergens.

My Personal Notes

Saved locally in your browser — visible only to you.

Southwestern Flank Steak

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions