Heat oil in a large nonstick skillet over medium heat. Add shallots to pan; cook 3 minutes or until tender, stirring occasionally. Add mushrooms; cook 7 minutes or until liquid evaporates, stirring occasionally. Place mushroom mixture in a medium bowl. Place half of mushroom mixture, cream cheese, and sherry in a food processor; process until smooth. Add pureed mixture to remaining mushroom mixture. Add parsley, salt, and pepper; stir until combined. Serve with baguette slices.