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 Steak And Onion Sandwiches?

You need 10 ingredients. The key ingredients include: 2 teaspoons bottled minced garlic, 1/2 teaspoon dried thyme, 1/2 teaspoon dried basil, 1/2 teaspoon freshly ground black pepper, and more.

Is Steak And Onion Sandwiches suitable as meat & poultry?

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

How do I store leftover Steak And Onion Sandwiches?

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

Steak And Onion Sandwiches Recipe

Name: Steak And Onion Sandwiches
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 2 teaspoons bottled minced garlic; 1/2 teaspoon dried thyme; 1/2 teaspoon dried basil; 1/2 teaspoon freshly ground black pepper; 1 (1-pound) flank steak, trimmed; 4 (1/4-inch) slices red onion; Cooking spray; 3 tablespoons fat-free mayonnaise; 2 1/2 teaspoons Dijon mustard; 8 (1-ounce) slices sourdough bread, toasted

Try this homemade Steak And Onion Sandwiches recipe the whole family will love. Made with garlic, thyme, basil and freshly ground black pepper. Easy ste…

This Steak And Onion Sandwiches relies on simple, everyday ingredients such as bottled minced garlic, dried thyme, dried basil and freshly ground black pepper. It comes together quickly and makes 4 servings, at about 191 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

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

Feel free to swap in similar ingredients you already have on hand and adjust seasoning to taste.

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

My Personal Notes

Saved locally in your browser — visible only to you.

Steak And Onion Sandwiches

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions