1. Boil the butter with gas over a small fire
2. Add marshmallows and boil until completely melted
3. Turn off the heat immediately, add milk powder and stir until there is no dry powder
4. Pour in chopped cranberries and chopped peanuts and mix well
5. Quickly use a small spoon or hand to pinch the beef and place the sandwich between the two biscuits
6. Just close it and squeeze it slightly
Tips:The minimum fire in the whole process. \nTurn off the heat and add milk powder. \nDon't stir the stuffing, just add the stuffing quickly while it is still warm. \nThe biscuits can't be too crisp and fragile.
