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 Crostini With Spinach, Poached Egg, And Creamy Mustard Sauce?

You need 11 ingredients. The key ingredients include: 1/4 cup reduced-fat sour cream, 1 tablespoon Dijon mustard, 1 teaspoon fresh lemon juice, 1 tablespoon finely chopped chives, and more.

Is Crostini With Spinach, Poached Egg, And Creamy Mustard Sauce suitable as vegetarian?

Yes, Crostini With Spinach, Poached Egg, And Creamy Mustard Sauce falls under the Vegetarian category and is a great choice for this type of meal.

How do I store leftover Crostini With Spinach, Poached Egg, And Creamy Mustard Sauce?

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

Crostini With Spinach, Poached Egg, And Creamy Must

Name: Crostini With Spinach, Poached Egg, And Creamy Mustard Sauce
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1/4 cup reduced-fat sour cream; 1 tablespoon Dijon mustard; 1 teaspoon fresh lemon juice; 1 tablespoon finely chopped chives; 1/4 teaspoon kosher salt; 1/4 teaspoon freshly ground pepper; 2 teaspoons water; 4 (1/2-inch thick) slices crusty whole-grain bread, toasted (1.5 oz per slice); 2 cups baby spinach; 1 teaspoon white vinegar; 4 large eggs

Try this homemade Crostini With Spinach, Poached Egg, And Creamy Mustard Sauce recipe the whole family will love. Made with sour cream, mustard, lemon j…

This Crostini With Spinach, Poached Egg, And Creamy Mustard Sauce relies on simple, everyday ingredients such as reduced-fat sour cream, dijon mustard, fresh lemon juice and finely chopped chives. It comes together quickly and makes 4 servings, at about 179 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 Vegetarian

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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Crostini With Spinach, Poached Egg, And Creamy Mustard Sauce

Tips for the best results

Variations & substitutions

My Personal Notes

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