Blackened Portobello Mushroom Salad Recipe | USA

Ingredients

• 0.25 cup red wine vinegar
• 0.25 cup balsamic vinegar
• 0.25 cup tomato juice
• 1 tbsp olive oil
• 2 tsp dijon mustard
• 2 tsp stone- ground mustard
• 0.25 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 cup gourmet salad greens
• 1 large tomato , cut into 8 wedges
• 0.5 cup thinly sliced red onion , separated into rings
• 1 (15 oz (425 g)) can cannellini or other white beans , rinsed and drained
• 0.25 cup (1 oz (28 g)) crumbled blue cheese