Frugal Milkshake Recipe

If your family is like mine, you like to something cool and refreshing to drink during the hot summer months. Here is a great, frugal "milkshake" recipe that anybody will love.
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The Magic Milkshake
courtesy of Hillbilly Housewife
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1-1/2 to 2 cups ice water
1-1/2 cups nonfat dry milk powder
2/3 cup sugar
1/4 cup unsweetened cocoa1 teaspoon vanilla
1 to 1-1/2 trays of ice cubes, as much as you can spare
2 tablespoons corn oil plus a 5-second squirt of non-stick spray for emulsification purpose
(You can read her notes on why you need that non-stick spray)
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Place all of the ingredients into the blender, including the oil and the non-stick spray. Use less water for thicker milk shakes and more water for shakes that are easy on your blender motor. The blender should be about 3/4’s full. Place the lid on. Process for a full 2 minutes. Pour into cups and serve. Makes 4 - 12oz servings