INGREDIENTS
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Ingredients
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2 packages (3 ounces each) berry blue gelatin
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2 packages (3 ounces each) strawberry gelatin
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4 cups boiling water, divided
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2-1/2 cups cold water, divided
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2 envelopes unflavored gelatin
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2 cups milk
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1 cup sugar
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2 cups (16 ounces) sour cream
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2 teaspoons vanilla extract