Grilled Portobello Burgers

Name: Grilled Portobello Burgers
Prep time: 20 min
Cook time: 12 min
Total time: 32 min
Yield: 4 servings
Cuisine: American
Ingredients: 4 large portobello mushroom caps, stems removed; 1/4 cup extra-virgin olive oil; 2 tbsp balsamic vinegar; 2 tbsp soy sauce; 2 garlic cloves, minced; 1/2 tsp smoked paprika; 1/4 tsp black pepper, freshly ground; 4 brioche burger buns, split; 4 Swiss cheese slices; 4 leaves green leaf lettuce; 2 ripe tomato, sliced; 1/2 red onion, thinly sliced; 1/4 cup mayonnaise

Meaty marinated portobello mushroom caps grilled until tender and smoky, then stacked on toasted brioche buns with all the classic burger toppings.

32 minEasyServes 4360 cal/serving

AmericanLunchGrillVegetarianNut-FreePork-FreeCorn-Free

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Ingredients

4 large portobello mushroom caps, stems removed
1/4 cup extra-virgin olive oil
2 tbsp balsamic vinegar
2 tbsp soy sauce
2 garlic cloves, minced
1/2 tsp smoked paprika
1/4 tsp black pepper, freshly ground
4 brioche burger buns, split
4 Swiss cheese slices
4 leaves green leaf lettuce
2 ripe tomato, sliced
1/2 red onion, thinly sliced
1/4 cup mayonnaise

Instructions

1

In a small bowl, whisk together 1/4 cup extra-virgin olive oil, 2 tbsp balsamic vinegar, 2 tbsp soy sauce, 2 minced garlic cloves, 1/2 tsp smoked paprika, and 1/4 tsp freshly ground black pepper.
2

Wipe 4 stems removed large portobello mushroom caps clean and place them gill-side up in a shallow dish. Pour the marinade over them, spooning some into the gills. Let marinate for at least 15 minutes, flipping once.
3

Preheat the grill to medium-high heat (400°F / 200°C). Clean and oil the grates.
4

Grill the portobellos gill-side down for 5-6 minutes, then flip and grill for another 4-5 minutes until fully tender and juicy. In the last minute, place a slice of 4 Swiss cheese slices on each cap to melt.
5

Toast the 4 split brioche burger buns cut-side down on the grill for 1-2 minutes until golden.
6

Spread 1/4 cup mayonnaise on each bun. Layer 4 leaves green leaf lettuce, grilled portobello, 2 sliced ripe tomato slices, and 1/2 thinly sliced red onion. Serve immediately.

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Questions

What temperature do I cook Grilled Portobello Burgers at?

For Grilled Portobello Burgers, the oven is set to 400 F (about 205 C) in step 3.

How do I know when Grilled Portobello Burgers is done?

Go by the cues in the method rather than the clock. Step 4: cook until fully tender and juicy.

How long should Grilled Portobello Burgers marinate?

Step 2 reads: "Let marinate for at least 15 minutes, flipping once." Follow the time in step 2. Shorter still seasons the surface. Much longer is not better with acidic marinades, which turn the outside of meat or fish mushy.

Is there a substitute for smoked paprika in Grilled Portobello Burgers?

The entry for Grilled Portobello Burgers calls for 1/2 tsp smoked paprika. In its place: Sweet paprika with a small pinch of cumin, or a few drops of liquid smoke. Chipotle powder works if you want heat as well.

Can I make Grilled Portobello Burgers dairy-free?

Yes. The dairy in Grilled Portobello Burgers is 4 Swiss cheese slices. Swap the cheese for a plant-based melting cheese (expect a milder flavor). The richness shifts slightly, but the method does not change.

Is Grilled Portobello Burgers vegan?

No, though it is vegetarian. What keeps it from vegan is 4 Swiss cheese slices and 1/4 cup mayonnaise. For fully plant-based entries, see the vegan lunch collection.

Does Grilled Portobello Burgers contain soy?

Yes: 2 tbsp soy sauce. The full allergen list for this entry is gluten, dairy, eggs and soy. Packaged ingredients vary by brand, so check labels if the allergy is serious.

Serve it with

Maple-Glazed Bacon Brussels Sprouts side
Edamame Lentil Crunch Salad salad
Carrot Ginger Soup soup
Spiced Cranberry Apple Punch drink

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