Marshmallow Popcorn Balls

2 bags (3 ounces each) microwave popcorn 1/4 cup butter or margarine1 package (10 ounces) marshmallowsPaste food coloring (optional)Pop popcorn according to package directions. Open bags carefully and measure out 14 cups of popped popcorn. Place in large bowl; discard unpopped kernels.In large microwave-safe bowl, microwave butter on HIGH (100 percent power) 45 seconds. Remove bowl from microwave; stir in marshmallows. Microwave on HIGH about 1 minute or until marshmallows are completely melted.Tint mixture with food coloring if desired. Pour mixture over popcorn, mix until evenly coated, cool. Place 1 cup of mixture into greased popcorn ball maker or in center of 10-inch square of plastic wrap. Shape into balls. Twist wrap and tie securely. Decorate if desired before serving.Serves 12.Cook's note: If using hands to shape the popcorn balls, make sure the mixture has cooled to a comfortable handling temperature.Nutrition values per serving: 173 calories, 7 g fat (3 g saturated), 27 g carbohydrates, 1 g fiber, 2 g protein, 10 mg cholesterol, 125 mg sodium.Jolly Time