Roasted Poblano, Onion and Avocado Grilled Cheese - Challenge Dairy

Ingredients

• 2 poblano peppers, sliced
• 1 onion, sliced
• 2 Tablespoons olive oil
• ½ teaspoon kosher salt
• ½ teaspoon black pepper
• 8 slices sourdough bread
• 4 Tablespoons Challenge Butter, softened
• ¼ cup mayonnaise
• 2 avocados, sliced
• 1 ⅓ cups shredded provolone