Portobello Mushroom Burger with Mozzarella, Roasted Peppers and Pesto Mayo
The easiest Portobello Mushroom Burger with Mozzarella, Roasted Peppers and Pesto Mayo

Ingredients
4 servings
Instructions
- Combine mayo and pesto in a small bowl.
- In a large bowl, whisk together vinegar, soy sauce, oil, and Montreal steak seasoning.
- Place the mushroom caps in the bowl and toss with sauce, using a spoon to evenly coat. Let stand at room temperature for 20 to 30 minutes, turning a few times.
- Heat the grill or indoor grill pan over medium heat. When hot, brush the grate with oil or lightly spray the grill pan.
- Place the mushrooms on the grill, reserving marinade for basting. Grill for 5 to 7 minutes on each side, or until tender, brushing with marinade frequently.
- Top the mushrooms with cheese during the last minute of cooking.
- While the mushrooms cook, grill the onions about 1 minute on each side and grill the buns until toasted.
- To finish, spread the pesto on the buns, place the grilled portobello mushrooms on the buns and top with the grilled onions, and roasted peppers.
Nutrition per serving
229kcal
💰 Cost Estimate
Total Ingredients
$2135.00
$2135.00
Per Serving
$534.00/serving
$534.00/serving
🏠 Savings
~$4270.00 vs buying!
~$4270.00 vs buying!
📋 Price Breakdown (100% ingredients detected)
| Ingredient | Amount | Subtotal |
|---|---|---|
| jarred or homemade pesto | 2 tbsp | $22.00 |
| light mayo | 2 tbsp | $13.00 |
| portobello mushroom caps | 4 | $393.00 |
| balsamic vinegar | 2 tbsp | $28.00 |
| low sodium soy sauce | 1 tbsp | $15.00 |
| olive oil | 1 tbsp | $21.00 |
| -1/2 tsp steak seasoning like Montreal Steak Grill Mates | 1 | $286.00 |
| thick slices red onion | 4 | $278.00 |
| fresh mozzarella | 4 oz | $439.00 |
| roasted red pepper | 1 | $442.00 |
| wheat low calorie buns | 4 whole | $198.00 |
*Estimated market prices, may vary by region
Recipe Assistant
Ask anything about this recipe




















Comments
Loading comments...