To prepare a tuna toasties appetizers recipe, you will first need to prepare your ingredients. You will need: 2 tablespoons mayonnaise 2 teaspoons kosher salt 1 tablespoon melted butter 1 tbsp. paprika 1 teaspoon thyme 1/2 cup chopped scallions 1/4 cup diced red bell pepper 1 cup shredded cheddar cheese 1/2 teaspoon ground nutmeg 1/8 teaspoon black pepper Instructions Preheat the oven to 425 degrees F. Spread the toasted bread slices with the mayo mixture. Top each slice with 1 slice sliced ham. Bake for 8 to 10 minutes or until the bread is golden brown. Serve warm with your favorite dipping sauce.