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 Portabella Mushroom Sandwich?

You need 11 ingredients. The key ingredients include: 1 cup butter, 5 sun-dried tomatoes, 1 red chili pepper, 1 garlic clove, and more.

Is Portabella Mushroom Sandwich suitable as soups & stews?

Yes, Portabella Mushroom Sandwich falls under the Soups & Stews category and is a great choice for this type of meal.

How do I store leftover Portabella Mushroom Sandwich?

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

Portabella Mushroom Sandwich Recipe

Name: Portabella Mushroom Sandwich
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 cup butter; 5 sun-dried tomatoes; 1 red chili pepper; 1 garlic clove; 1 sprig thyme leaves; 4 large portabella mushrooms, only caps; sourdough bread; 2 tablespoons spicy brown mustard; 1 bunch watercress; fresh ground black pepper; fresh ground sea salt

Try this homemade Portabella Mushroom Sandwich recipe the whole family will love. Made with butter, tomatoes, red chili pepper and garlic. Easy step-by-…

This Portabella Mushroom Sandwich relies on simple, everyday ingredients such as butter, sun-dried tomatoes, red chili pepper and garlic clove. It comes together quickly and makes 4 servings, at about 503 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.

Portabella Mushroom Sandwich

Tips for the best results

Variations & substitutions

My Personal Notes

How did you like this recipe?

Frequently Asked Questions