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 Sirloin Steak With Tarragon-Garlic Sour Cream?

You need 10 ingredients. The key ingredients include: 1/3 cup sour cream, 1/4 cup low-fat mayonnaise, 2 tablespoons whole-grain Dijon mustard, 1 teaspoon dried tarragon, and more.

Is Sirloin Steak With Tarragon-Garlic Sour Cream suitable as meat & poultry?

Yes, Sirloin Steak With Tarragon-Garlic Sour Cream falls under the Meat & Poultry category and is a great choice for this type of meal.

How do I store leftover Sirloin Steak With Tarragon-Garlic Sour Cream?

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

Sirloin Steak With Tarragon-Garlic Sour Cream

Name: Sirloin Steak With Tarragon-Garlic Sour Cream
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1/3 cup sour cream; 1/4 cup low-fat mayonnaise; 2 tablespoons whole-grain Dijon mustard; 1 teaspoon dried tarragon; 1 teaspoon bottled minced garlic; 1/2 teaspoon salt, divided; 1/4 teaspoon black pepper, divided; Cooking spray; 1 (1-pound) boneless sirloin steak, trimmed; 1 (20-ounce) package refrigerated red potato wedges (such as Simply Potatoes)

Try this homemade Sirloin Steak With Tarragon-Garlic Sour Cream recipe the whole family will love. Made with sour cream, low-fat mayonnaise, whole-grain…

This Sirloin Steak With Tarragon-Garlic Sour Cream relies on simple, everyday ingredients such as sour cream, low-fat mayonnaise, whole-grain dijon mustard and dried tarragon. It comes together quickly and makes 4 servings, at about 235 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

Coconut cream is a reliable plant-based alternative to dairy cream.

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

My Personal Notes

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Sirloin Steak With Tarragon-Garlic Sour Cream

Tips for the best results

Variations & substitutions

My Personal Notes

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Frequently Asked Questions