For each sandwich, spread 2 tablespoons peanut butter onto 1 slice of bread. Spread 1 tablespoon jelly onto another slice of bread. Place on top of peanut butter, jelly-side down. Spread 1 teaspoon butter onto outside of each slice of bread.
Heat 12-inch skillet or griddle over medium heat.
3 .Place 2 sandwiches into skillet. Cook, turning once, 4-6 minutes or until golden brown and peanut butter is melted. Repeat with remaining sandwiches.