How can I reduce this recipe by two thirds?

alexia

Member
4 3/4 Lbs Yams, Peeled & Cut Into 2" Pieces
3/4 Cup maple syrup
6 Tbsp butter, melted
1 1/2 Tsp orange peel, grated
6 Tbsp Craisins Dried Cranberries
2 Cups miniature marshmallows
It serves 12 people but I only need to make it for 4..

Thanks.
 
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