Roasted Red Pepper, Feta, and Olive Grilled Cheese

Ingredients (6)

• 4 Tablespoons butter, at room temperature
• 4 slices artisan bread
• 4 Tablespoons olive tapenade
• About 10 thin slices of roasted red pepper, patted dry
• 1 cup shredded mozzarella cheese
• 2 ounces feta cheese