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Separate dough into 8 biscuits; separate one biscuit into 3 layers. Place one layer in bottom and 1/2 inch up side of muffin cup. Top with one apple ring, cutting to fit if necessary. Spoon rounded 1/2 teaspoon of the raspberry jam in center of apple ring; sprinkle with 1/2 teaspoon brown sugar. Repeat layers, ending with biscuit layer on top. Press edges of layers together. Repeat with remaining biscuits, apples, jam and brown sugar. Sprinkle any remaining brown sugar onto tops of biscuits.