Ingredients

• 2 tablespoons fresh corn kernels
• 2 teaspoons softened butter, divided
• salt and ground black pepper to taste
• 1 teaspoon mayonnaise, or to taste
• 2 thick slices Italian bread
• 2 slices honey ham
• 2 slices honey turkey
• 1 slice Lacy Swiss cheese
• 1 slice Amish Swiss cheese
• 1 slice American cheese
• 2 tablespoons shredded Cheddar cheese, or to taste
• 1 Roma tomato, seeded and chopped
• 1 tablespoon chopped sweet onion
• 1 green onion, chopped