"- Peanut Butter Rice Krispie Treats are best if served the same day they are made...."
INGREDIENTS
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3 tablespoons unsalted butter 5 3/4 cups miniature marshmallows; divided use 2/3 cup creamy peanut butter 1/2 teaspoon pure vanilla extract 6 cups crisped rice cereal (Kellogg's Rice Krispies) 1 cup Reese's Pieces