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 Au Gratin?

You need 10 ingredients. The key ingredients include: 1/2 pound boneless sirloin steak, 2 teaspoons butter, 1 cup onions sliced, 1 garlic clove minced, and more.

Is Steak Au Gratin suitable as soups & stews?

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

How do I store leftover Steak Au Gratin?

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

Steak Au Gratin Recipe

Name: Steak Au Gratin
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1/2 pound boneless sirloin steak; 2 teaspoons butter; 1 cup onions sliced; 1 garlic clove minced; 1/2 cup canned beef broth; 1 tablespoon red wine vinegar; 2 teaspoons dijon mustard; 3 tablespoons dried bread crumbs plain; 1 tablespoon fresh parsley each chopped; grated Parmesan cheese

Try this homemade Steak Au Gratin recipe the whole family will love. Made with boneless sirloin steak, butter, onions and garlic. Easy step-by-step inst…

This Steak Au Gratin relies on simple, everyday ingredients such as boneless sirloin steak, butter, onions sliced and garlic clove minced. It comes together quickly and makes 4 servings, at about 238 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

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.

Steak Au Gratin

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions