Chocolate-Peanut Butter Fondue

1 (7 1/2 ounce) jar Marshmallow Crème
1/2 cup heavy whipping cream
12 ounces semisweet chocolate pieces
1/4 cup creamy peanut butter

Place Marshmallow Crème in 2-quart microwave-safe bowl. Gradually stir in heavy cream; add chocolate pieces. Microwave on HIGH for 2 minutes; stir well. Add peanut butter and stir until well blended. Pour into fondue pot or small chafing dish and keep warm while serving. Makes 4 servings (about 2 cups).