Ultimate Grilled Cheese Brava | Brava Home

Ingredients

• 0.25 cups chopped leeks (½-inch pieces) (about ¼ of a small leek)
• 0.25 cups chopped red onion (½-inch pieces) (about ¼ of a large red onion)
• 1.0 count clove garlic, minced
• 1.0 ounces english cheddar, grated
• 1.0 ounces Gruyère, grated
• 1.0 ounces fontina, grated
• 2.0 count large slices sourdough bread
• Mayonaise
• Butter at room temperature