Portobello Sandwiches
These burgers use large mushrooms instead of meat. They are juicy and fast to make.
Many people enjoy these once a week. They taste great on toasted buns.
By Nadia Kovalenko
Posted October 11, 2026Share
Time
Calories
Servings
Difficulty
Description
These burgers use large mushrooms instead of meat. They are juicy and fast to make.
Many people enjoy these once a week. They taste great on toasted buns.
Quick Tip Read the recipe in its entirety before you start cooking. This will help you understand the ingredients, steps, and timing involved, and allow you to prepare any necessary equipment or ingredients beforehand.
Ingredients 12
2 cloves garlic, minced
6 tablespoons olive oil
0.5 teaspoon dried thyme
2 tablespoons balsamic vinegar
salt and pepper to taste
4 large portobello mushroom caps
4 hamburger buns
1 tablespoon capers
0.25 cup mayonnaise
1 tablespoon capers, drained
1 large tomato, sliced
4 leaves lettuce
Instructions
-
1
Turn on the broiler. Move the oven rack close to the heat.
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2
Mix garlic, olive oil, thyme, vinegar, salt, and pepper in a bowl.
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3
Place mushroom caps face down in a pan. Brush them with half the mix and broil for 5 minutes.
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4
Flip the mushrooms. Brush them with the rest of the mix and broil for 4 minutes. Toast the buns.
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5
Mix capers and mayonnaise. Put the mixture on the buns. Add the mushrooms, tomato, and lettuce.
Nutrition Facts
Servings 4
Amount Per Serving
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Calories 445 kcal
% Daily Value *
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Total Fat 33g
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Saturated Fat 5g
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Cholesterol 5mg
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Sodium 426mg
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Total Carbohydrate 31g
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Dietary Fiber 4g
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Protein 8g
* Percent Daily Values are based on a 2,000 calorie diet. Your daily value may be higher or lower depending on your calorie needs.
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