Drain pineapple into a measuring ... heat, stir in raspberry gelatin. Stir until well dissolved. Sprinkle 1 package of Knox gelatin over the 3/4 cup ... stiff, add additional milk.
Dissolve Jello in 2 cups ... and vanilla. Dissolve Knox gelatin in 1/4 cup hot water. ... to rest of raspberry Jello. Mix well. Put this mixture on top. Chill.