Bring 1 c. of cranberry juice to a boil in a small saucepan.
Add gelatin and stir to dissolve.
Transfer to a large bowl.
Add remaining ingredients.
Blend thoroughly with a hand mixer.
Pour mixture into a high sided sheet pan or other shallow dish.
Freeze for 1.5 hours.
Transfer back into the bowl and blend again with a hand mixture.
Transfer back into the sheet pan.
Freezer for another 1.5 hours (stirring occasionally to break up any ice that may be forming).
Serve cold.