In a large saucepan, heat butter over low heat until melted.

Add marshmallows, stirring occasionally until melted completely.

Add food coloring and stir until the orange is evenly spread throughout.

Remove from heat and stir in Rice Krispies cereal.

Coat your hands with nonstick cooking spray. Form pumpkin shapes using 2/3 Cup of the mixture for each pumpkin.

Roll and shape Tootsie Rolls to resemble stems. Add stems to pumpkins.

Let stand 3 hours before serving. Store in airtight container.