These Marinated Portobello Mushrooms are an easy way to turn a few simple ingredients into a flavorful appetizer or side dish. Large portobello mushrooms are marinated in a sweet and tangy mixture of balsamic vinegar, brown sugar, rosemary, and garlic, then broiled until tender. A finishing layer of grated provolone melts over the top, adding a savory, creamy contrast to the balsamic marinade. The entire recipe takes about 18 minutes, making it practical for a quick weeknight meal as well as a dinner party.
The short marinade is what gives these mushrooms their distinctive flavor. After the balsamic mixture is whisked together, the mushrooms sit in it for 5 to 10 minutes before going under the broiler. They are turned once during cooking so both sides become tender and flavorful, then topped with provolone and broiled again just until the cheese melts.
One small detail makes a big difference when preparing marinated portobello mushrooms: don’t soak the mushrooms in water when cleaning them. Mushrooms absorb water easily, so the recipe recommends wiping them clean with a damp cloth or sturdy paper towel instead. A glass baking dish is also useful here because the mushrooms are marinated and broiled directly in the same dish, keeping the preparation simple and cleanup easy.
With their tender texture, balsamic-garlic flavor, and melted provolone topping, these mushrooms are a flavorful option when you want a vegetable-centered dish that doesn’t require a long list of ingredients or much preparation.
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Marinated Portobello Mushrooms
The portobello mushroom is one of the most widely consumed mushrooms in the world. Among most other types of mushrooms, especially those called “medicinal mushrooms,” portobellos are known as natural cancer-fighters and protectors of the immune system.
- Total Time: :18
- Yield: 2 1x
Ingredients
- 2 portobello mushrooms, stemmed and wiped clean
- 1/2 cup balsamic vinegar
- 1 tablespoon brown sugar
- 1/4 teaspoon dried rosemary
- 1 teaspoon minced garlic
- 1/4 cup grated (1 ounce) provolone cheese
Instructions
- Heat the broiler (grill). Position the rack 4 inches from the heat source. Lightly coat a glass baking dish with cooking spray. Place the mushrooms in the dish, stemless-side (gill-side) up.
- In a small bowl, whisk together the vinegar, brown sugar, rosemary and garlic. Pour the mixture over the mushrooms. Set aside for 5 to 10 minutes to marinate.
- Broil (grill) the mushrooms, turning once, until they’re tender, about 4 minutes on each side. Sprinkle grated cheese over each mushroom and continue to broil (grill) until the cheese melts. Transfer to individual plates.
Notes
When cleaning mushrooms, don’t immerse them in water because they’ll soak up the water like a sponge. Instead, wipe the mushrooms clean with a damp cloth or sturdy paper towel.
Nutritional analysis per serving
- Serving size :1 mushroom
- Calories 112
- Total fat 4 g
- Saturated fat 2 g
- Trans fat Trace
- Monounsaturated fat 1 g
- Cholesterol 10 mg
- Sodium 140 mg
- Total carbohydrate 13 g
- Dietary fiber 1 g
- Total sugars 11 g
- Added sugars 4 g
- Protein 6 g
- Prep Time: :10
- Cook Time: :08
- Category: Appetizer
- Method: Broiler