Mixed Mushroom And Mozzarella Pizza

• 4 tablespoons butter
• 1 tablespoon oil
• 2 red onions thinly sliced
• 2 tablespoons brown sugar
• 1 tablespoon balsamic vinegar
• 1 loaf Italian bread soft, halved lenthwise
• 6 slices prosciutto chopped
• 2 tablespoons olive oil
• 1 pound mushrooms sliced
• 2 garlic cloves finely chopped
• 5 1/4 ounces mozzarella thinly sliced
• 3 cups arugula

1. Preheat oven to 400u0b0F. Line an baking sheet with foil. Heat butter and oil in large skillet. Saute onion for 8-10 mins, until soft. Stir in sugar and vinegar. Cook, stirring occasionally, until caramelized (about 10 mins). Season to taste.
2. Place bread halves on a prepared baking sheet (cut-side up). Spread evenly with caramelized onion and prosciutto slices.
3. Heat oil in a large skillet on high. Saute mushrooms and garlic for 4-5 mins, until soft. Spoon mushrooms over onions and prosciutto; top with mozzarella. Bake for 5-10 mins, until cheese melts and bread is crisp. Serve topped with arugula.

butter, oil, red onions, brown sugar, balsamic vinegar, bread soft, olive oil, mushrooms, garlic, mozzarella, arugula

Taken from www.yummly.com/recipe/Mixed-Mushroom-and-Mozzarella-Pizza-1405043 (may not work)