Make cupcake mix as directed on box, using water, oil and eggs. Fill muffin cups one-third full with batter, using about 2 tablespoons in each. Squeeze filling pouch 20 times; cut off corner of pouch at cut line. Divide filling equally among cupcakes, making sure filling does not touch sides of muffin cups. Evenly distribute remaining batter among cupcakes, making sure filling is completely covered.