tuscan portobello melt

How To Make tuscan portobello melt

• Step 1
  Preheat oven to 350F.
• Step 2
  In a medium skillet, combine 2 tablespoons olive oil and red onion. Cook over medium heat until onions are beginning to soften. Season with salt and pepper and transfer to a roasting dish.
• Step 3
  In the same skillet, combine tomatoes and balsamic vinegar. Cook over medium heat until the tomatoes are beginning to soften. Transfer to roasting dish with onions.
• Step 4
  In a medium bowl, gently toss Portobello mushrooms with 1 tablespoon olive oil. Transfer to roasting dish with other ingredients. Add white wine.
• Step 5
  Place roasting dish in oven and bake for 20-30 minutes. Remove from oven and let mixture cool to room temperature.
• Step 6
  In a small saucepan, combine butter and thyme springs. Cook over low heat until butter is melted. Remove from heat and discard thyme.
• Step 7
  Brush one side of each slice of bread with butter. Place slices buttered side down on a clean surface. Top half of the slices with 1/4 cup provolone cheese and 1/4 cup Monterey jack cheese. Top cheese with mushroom mixture, dividing evenly between the slices. Top with remaining bread slices.
• Step 8
  Heat a griddle (or frying pan) to medium high heat. Place sandwiches on griddle to brown. Flip after 2 minutes to brown other side and cook until golden brown and cheese is melted
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