Why You’ll Love This Recipe

This sandwich offers the perfect balance of textures and flavors. The creamy avocado adds a rich, smooth layer, while the sautéed mushrooms bring a savory umami punch. Fresh veggies like tomato, red onion, and spinach provide a crisp, refreshing contrast. The star of the show, however, is the homemade pesto, made with fresh basil, cashews, garlic, and nutritional yeast, which brings an incredible depth of flavor. This dish is not only incredibly tasty but also nutritious, thanks to its plant-based ingredients that are full of healthy fats, vitamins, and minerals.

Vegan Mushroom Pesto Sandwich Recipe

Ingredients

For the Pesto:

  • 2 cups fresh basil leaves

  • 1/2 cup raw cashews

  • 2 cloves garlic

  • 1/4 cup nutritional yeast

  • 1/2 cup olive oil

  • Juice of 1 lemon

  • Salt and pepper to taste

For the Sandwich:

  • 8 oz (225g) mushrooms (such as cremini or portobello), sliced

  • 1 tbsp olive oil

  • 1 avocado, sliced

  • 1 tomato, sliced

  • 1 small red onion, thinly sliced

  • 4 slices of whole-grain bread

  • Handful of fresh spinach leaves

  • Salt and pepper to taste

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

Directions

  1. Prepare the Vegan Pesto:
    In a food processor, combine the basil, cashews, garlic, nutritional yeast, and lemon juice. Pulse until finely chopped. Gradually add olive oil while processing until the mixture becomes a smooth, creamy pesto. Season with salt and pepper to taste. Set aside.

  2. Sauté the Mushrooms:
    Heat the olive oil in a skillet over medium heat. Add the sliced mushrooms and sauté for 5–7 minutes, or until tender and golden brown. Season with salt and pepper to taste. Remove from heat and set aside.

  3. Prepare the Bread and Veggies:
    Toast the whole-grain bread slices until golden and crispy. While the bread toasts, slice the avocado, tomato, and red onion.

  4. Assemble the Sandwich:
    Spread a generous layer of vegan pesto on one side of each toasted bread slice. On two of the slices, layer the sautéed mushrooms, avocado slices, tomato slices, red onion, and fresh spinach. Top with the remaining bread slices, pesto side down, to complete the sandwich.

  5. Serve and Enjoy:
    Cut the sandwiches in half and serve immediately. Enjoy your delicious Vegan Mushroom Pesto Sandwich!

Servings and Timing

  • Servings: 2 sandwiches

  • Preparation Time: 15 minutes

  • Cooking Time: 10 minutes

  • Total Time: 25 minutes

Variations

  • Add a Protein: For an extra boost of protein, try adding tofu, tempeh, or chickpeas to your sandwich.

  • Gluten-Free Option: Swap the whole-grain bread for a gluten-free variety.

  • Nut-Free Pesto: If you have a nut allergy, you can substitute the cashews in the pesto with sunflower seeds or hemp seeds.

  • Spicy Twist: Add a few slices of jalapeño or drizzle some hot sauce to give your sandwich a spicy kick.

Storage/Reheating

  • Storage: To store, wrap the sandwich tightly in foil or plastic wrap and refrigerate for up to 1 day. However, it’s best enjoyed fresh for the best flavor and texture.

  • Reheating: If reheating, warm the sandwich in a pan over medium heat or in a toaster oven until the bread is crisp and the filling is warmed through. Avoid microwaving, as it may cause the bread to become soggy.

FAQs

1. Can I make the pesto ahead of time?

Yes, you can prepare the pesto up to 2 days ahead and store it in an airtight container in the refrigerator. The flavors will deepen over time!

2. Can I use different types of mushrooms for this sandwich?

Absolutely! Cremini, portobello, shiitake, or even button mushrooms would work wonderfully in this sandwich.

3. Is this sandwich gluten-free?

The recipe calls for whole-grain bread, which is not gluten-free. However, you can easily substitute with gluten-free bread to make it suitable for a gluten-free diet.

4. Can I make the sandwich without the pesto?

Yes, you can omit the pesto if you prefer. You might want to add a different spread, such as hummus or vegan mayonnaise, for added flavor.

5. How do I make this sandwich more filling?

To make the sandwich heartier, consider adding extra protein sources such as roasted chickpeas, tofu, or tempeh.

6. Can I freeze this sandwich?

While it’s best eaten fresh, you can freeze the pesto ahead of time. However, freezing the whole sandwich isn’t recommended, as the bread and veggies may not hold up well after thawing.

7. Can I substitute the cashews in the pesto with something else?

Yes! You can replace the cashews with pine nuts, almonds, or sunflower seeds for a different flavor or texture.

8. Can I use store-bought pesto instead of homemade?

Yes, if you’re short on time, you can use store-bought vegan pesto, though homemade pesto will add a fresher, more personalized touch.

9. How can I make the sandwich spicier?

To add some spice, include sliced jalapeños, a drizzle of sriracha sauce, or red pepper flakes to your sandwich.

10. What type of bread is best for this sandwich?

Whole-grain bread is great for texture and flavor, but you can also use sourdough, ciabatta, or any bread of your choice for a different experience.

Conclusion

This Vegan Mushroom Pesto Sandwich is a wholesome, delicious, and satisfying meal that’s easy to make and full of flavor. With its creamy pesto, savory mushrooms, and fresh veggies, it’s sure to be a hit whether you’re serving it for lunch, dinner, or a snack. Plus, it’s customizable and perfect for anyone following a plant-based diet. Enjoy it fresh, and let the delicious flavors shine!

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Vegan Mushroom Pesto Sandwich Recipe

Vegan Mushroom Pesto Sandwich Recipe

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A wholesome vegan sandwich featuring sautéed mushrooms, creamy avocado, fresh veggies, and a rich homemade basil-cashew pesto, all layered between toasted whole-grain bread. Perfect for a quick lunch, light dinner, or hearty snack.

  • Total Time: 25 minutes
  • Yield: 2 sandwiches

Ingredients

2 cups fresh basil leaves

1/2 cup raw cashews

2 cloves garlic

1/4 cup nutritional yeast

1/2 cup olive oil (divided)

Juice of 1 lemon

Salt and pepper to taste

8 oz (225 g) mushrooms (cremini or portobello), sliced

1 avocado, sliced

1 tomato, sliced

1 small red onion, thinly sliced

4 slices whole-grain bread

Handful fresh spinach leaves

Instructions

  1. Prepare the pesto: In a food processor, combine basil, cashews, garlic, nutritional yeast, and lemon juice. Pulse until finely chopped. Gradually add 1/4 cup olive oil until smooth. Season with salt and pepper.
  2. Sauté the mushrooms: Heat 1 tbsp olive oil in a skillet over medium heat. Add sliced mushrooms and cook 5–7 minutes until tender and golden. Season with salt and pepper.
  3. Toast the bread: Lightly toast the whole-grain bread until golden and crisp.
  4. Prepare the veggies: Slice avocado, tomato, and red onion.
  5. Assemble: Spread pesto on each toasted slice. On two slices, layer mushrooms, avocado, tomato, onion, and spinach. Top with remaining slices, pesto-side down.
  6. Serve: Cut sandwiches in half and enjoy immediately.

Notes

  • Add protein with tofu, tempeh, or chickpeas for a heartier meal.
  • Use gluten-free bread for a gluten-free version.
  • For nut-free pesto, replace cashews with sunflower or hemp seeds.
  • Add jalapeños or hot sauce for a spicy kick.
  • Best enjoyed fresh, but can be stored wrapped in the fridge for up to 1 day.
  • Author: Julia
  • Prep Time: 15 minutes
  • Cook Time: 10 minutes
  • Category: Sandwich
  • Method: Stovetop, Assembly
  • Cuisine: American
  • Diet: Vegan

Nutrition

  • Serving Size: 1 sandwich
  • Calories: 420
  • Sugar: 4g
  • Sodium: 380mg
  • Fat: 30g
  • Saturated Fat: 4g
  • Unsaturated Fat: 24g
  • Trans Fat: 0g
  • Carbohydrates: 32g
  • Fiber: 8g
  • Protein: 9g
  • Cholesterol: 0mg

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