Sweet Potato and Kale Grilled Cheese

Ingredients (11)

• 1 medium sweet potato
• 2 tablespoons olive oil
• Salt and black pepper
• 1/2 small red onion
• 2 tablespoons butter
• 4 slices whole grain bread
• 6 ounces Harvarti cheese
• 2 leaves Lacinato
• 1/2 teaspoon fresh rosemary
• Salt and black pepper
• Balsamic glaze or reduction