Grilled Mushroom Sandwich With Citrus Mayo

By sierra

4.17 / 5

10min

15min

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2 tablespoons olive oil
¼ cup balsamic vinegar
1 clove garlic minced
4 portobello mushroom caps
⅓ cup mayonnaise
2 tablespoons orange juice
1 (12 ounce) jar roasted red bell peppers
4 rolls sourdough bread
4 slices smoked Gouda cheese
1 (10 ounce) bag mixed salad greens