Warm Chicken Sandwiches with Mushrooms, Spinach and Cheese

Ingredients

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

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