Patriotic Gelatin Salad - cooking recipe

Ingredients

2 (3 oz. each) berry blue-flavored gelatin
2 (3 oz. each) strawberry-flavored gelatin
4 c. boiling water, divided
2 1/2 c. cold water, divided
2 envelopes unflavored gelatin
2 c. milk
1 c. sugar
2 c. (16 oz.) sour cream
2 tsp. vanilla extract

Preparation

In four separate bowls, dissolve each package of gelatin in 1 cup boiling water.
Add 1/2 cup cold water to each and stir.
Pour one bowl of blue gelatin into an oiled 10-inch fluted tube pan; chill until almost set, about 30 minutes.
Set other three bowls of gelatin aside at room temperature.
Soften unflavored gelatin in remaining cold water; let stand 5 minutes.
Heat milk in a saucepan over medium heat just below boiling.
Stir in softened gelatin and sugar until sugar is dissolved.