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Grilled Portabella Mushroom Burgers
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Portabella burgers are a great way to substitute for meat without going for a dry veggie patty. Savory, juicy mushrooms basted with herb butter even look like the real thing.
serves/makes:
ready in:
under 30 minutes
under 30 minutes
1 review
ingredients
2 tablespoons butter, melted
1 tablespoon chopped fresh basil leaves
2 teaspoons finely minced garlic
2 (4-inch size) portabella mushrooms
2 slices onion, about 1/4-inch thick
2 hamburger buns, split in half
2 leaves romaine lettuce
2 slices tomato
directions
Heat the grill to medium heat.
Combine the melted butter, fresh basil, and garlic in a small bowl.
Using a basting or pastry brush, brush the butter over both sides of the mushrooms and onions and on the cut sides of the hamburger buns.
Place the mushrooms and onions on the grill. Turn once during the cooking time and baste with the remaining butter. Cook until the mushrooms and onions are tender, about 8 minutes.
While the mushrooms are cooking, place the hamburger buns cut side down on the grill and let toast for 1-2 minutes or until lightly golden brown.
To serve, place a leaf of lettuce on the bottom bun. Top with a mushroom, slice of tomato, and the grilled onion. Add the bun top and serve immediately.
The butter can be made ahead of time and kept at room temperature for an hour or two.
recipe tips
Preheat the grill.
Clean the mushrooms with a damp cloth instead of running them under water. Mushrooms can absorb moisture so this helps them to keep from getting soggy.
Brush the mushrooms and onions generously with the herb butter for flavor.
Don't move the mushrooms too much on the grill to get nice grill marks.
Toast the buns on the grill for added flavor and texture.
Assemble the burgers while the mushrooms are still warm.
Try different toppings like avocado, cheese, or your favorite sauces.
Enjoy these portabella burgers as a healthier and flavorful alternative to meat.
common recipe questions
Can I use dried basil instead of fresh?
Yes, you can use dried basil. The general rule is to use 1/3 the amount of dried herb compared to fresh. If using dried, let the basil sit in the melted butter for a few minutes for a fresher flavor.
What can I substitute for butter in the basting mixture?
You can use olive oil or a vegan butter alternative for a dairy-free version.
Is it necessary to remove the gills from the portabella mushrooms?
It's not necessary, but you can scrape them out if you prefer a less earthy flavor.
Can I make this recipe without a grill?
Yes, you can cook the mushrooms and onions in a grill pan or regular skillet on the stove over medium heat.
How do I know when the mushrooms are cooked?
The mushrooms are done when they are tender and have released their juices.
Can I add other vegetables to the burger?
Sliced bell peppers, zucchini, and eggplant are great additions.
What can I use instead of romaine lettuce?
You can use any lettuce variety you prefer, like iceberg, butter, or spinach leaves.
How should I store leftover grilled mushrooms?
Store them in an airtight container in the refrigerator for up to 2 days. Reheat in a skillet, the oven, or microwave.
Can I prepare the mushrooms ahead of time?
You can marinate the mushrooms in the herb butter for a few hours before grilling for more flavor.
nutrition data
318 calories, 15 grams fat, 38 grams carbohydrates, 10 grams protein per serving.
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reviews & comments
September 10, 2009
This was sooo good! I used half butter, half EVOO as I doubled the recipe for 5 bella's. This is now our fav bella burger recipe!