Steak-Stuffed Portobello with Creamy Poblano Sauce - elrestaurante.com

Ingredients

• 2 beef Flat Iron Steaks (about 8 oz. each)
• 2 fresh poblano chile peppers
• 1 small onion, cut into 1/2-inch slices
• 4 large portobello mushrooms, stems discarded
• 2 t. olive oil
• 2 t. minced garlic
• ¼ c. heavy cream
• 1 t. kosher salt, divided
• 1 t. freshly ground black pepper, divided
• ¾ c. shredded reduced-fat mozzarella cheese
• ¼ c. chopped fresh cilantro
• 1 T. fresh lime juice
• ½ ripe avocado, thinly sliced, for garnish
• ¼ c. chopped fresh cilantro, for garnish