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 Roasted Potatoes With Tangy Watercress Sauce?

You need 16 ingredients. The key ingredients include: Sauce:, 1 1/2 cups plain fat-free yogurt, 1 cup trimmed watercress, 1/3 cup light mayonnaise, and more.

Is Roasted Potatoes With Tangy Watercress Sauce suitable as general?

Yes, Roasted Potatoes With Tangy Watercress Sauce falls under the General category and is a great choice for this type of meal.

How do I store leftover Roasted Potatoes With Tangy Watercress Sauce?

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

Roasted Potatoes With Tangy Watercress Sauce Recipe

Name: Roasted Potatoes With Tangy Watercress Sauce
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: Sauce:; 1 1/2 cups plain fat-free yogurt; 1 cup trimmed watercress; 1/3 cup light mayonnaise; 1/4 cup chopped green onions; 3 tablespoons chopped fresh basil; 1 tablespoon chopped fresh mint; 1 teaspoon balsamic vinegar; 1/4 teaspoon salt; 1/8 teaspoon freshly ground black pepper; Potatoes:; 3 pounds small red potatoes, quartered; 1 1/2 tablespoons olive oil; 1 teaspoon freshly ground black pepper; 1/2 teaspoon salt; Cooking spray

Try this homemade Roasted Potatoes With Tangy Watercress Sauce recipe the whole family will love. Made with yogurt, trimmed watercress, light mayonnaise…

This Roasted Potatoes With Tangy Watercress Sauce relies on simple, everyday ingredients such as sauce:, plain fat-free yogurt, trimmed watercress and light mayonnaise. It comes together quickly and makes 4 servings, at about 510 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 General

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

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Roasted Potatoes With Tangy Watercress Sauce

Tips for the best results

Variations & substitutions

My Personal Notes

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