Cream together shortening and sugar. Stir in well-beaten eggs.
Sift flour, baking powder and salt together. Add sifted dry ingredients to shortening-sugar mixture alternately with milk. Blend thoroughly.
Fill greased muffin tins 1/3 full making a hole in center of the batter.
Put in one teaspoon full of cranberry, then fill tins until 2/3 full. Bake in hot oven (400º F) for about 30 minutes. Serve hot.