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(American, Dessert, Baked, Party, campfire bars, homemade, marshmallow bars, Special desserts, traditional ...
3/4 cup butter or margarine, melted
1/3 cup sugar
3 cups miniature marshmallows
2 cups (12 ounces ... with marshmallows and chocolate chips.
Top with remaining crumb mixture; press firmly.
Bake at 375° for 10 minutes ...