Warm Chicken Sandwiches with Mushrooms, Spinach and Cheese

Ingredients

• 3 tablespoons extra-virgin olive oil, divided, plus more for drizzling
• 12 ounces white mushrooms
• 1 5-ounce bag baby spinach
• 3 cloves garlic
• Whole grain mustard
• 2 cups shredded roast chicken
• 2 tablespoons shallots
• + 2 more ingredients
• • 4 ciabatta rolls
  • 8 ounces Fontina cheese

Preheat oven to 400°F. Pull some bread from ciabatta rolls to form slightly hollow centers. Drizzle ciabatta rolls with olive oil. Spread roll bottoms with whole grain mustard. Sprinkle roll bottoms with half of Fontina cheese. Heat 2 tablespoons oil in large skillet over medium-high heat. Add mu...

View full recipe at Epicurious