- 1 cup mini marshmallows
- 1 cup crispy rice cereal
- 3/4 cup rolled oats
- 2 tablespoons honey
- 1 tablespoon butter, room temperature
- 1/4 cup chopped dried cranberries (optional)
- 1/4 cup crushed almonds, or to taste (optional)
- 1 pinch ground cinnamon, or to taste
- Pour marshmallows into a microwave-safe bowl and microwave until melted, about 30 seconds. Stir rice cereal, oats, honey, and butter into marshmallows; microwave until heated through, about 30 seconds more. Stir until well-combined. Stir in cranberries, almonds, and cinnamon.
- Press mixture into a 6-inch square dish and freeze until set, 30 to 60 minutes. Cut into bars.