Blackened Portobello Mushroom Salad Recipe | USA

Ingredients

• 1/4 cup red wine vinegar
• 1/4 cup balsamic vinegar
• 1/4 cup tomato juice
• 1 tbsp olive oil
• 2 tsp dijon mustard
• 2 tsp stone-ground mustard
• 1/4 tsp coarsely ground pepper
• 4 (4 oz (113 g)) portobello mushroom caps (about 5 inches wide)
• 1 tbsp cajun seasoning for steak (such as chef Paul Prudhomme's steak Magic)
• 2 tsp olive oil
• cooking spray
• 16 cups gourmet salad greens
• 1 large tomato, cut into 8 wedges
• 1/2 cup thinly sliced red onion, separated into rings
• 1 (15 oz (425 g)) can cannellini or other white beans, rinsed and drained
• 1/4 cup (1 oz (28 g)) crumbled blue cheese