Blender Cranberry Orange Muffins

Blender Cranberry Orange Muffins

Into a mixing bowl 
Sift 2 cups sifted flour and 3 teaspoons baking powder.

Into blender put:

1 cup fresh or defrosted cranberries
1 cup milk
Thin yellow rind of one orange
1 egg
3 tablespoons of soft butter or margarine
2/3 cup sugar
1/2 teaspoon salt

Cover and blend on high speed until cranberries are finely chopped. Pour over dry ingredients and stir just to moisten flour. Turn into greased muffin cups and bake in a preheated 400 oven for 25 min. Makes 1 1/2 dozen medium muffins.
Recipe from a 1961 cookbook