In a large skillet, saute the mushrooms and onion in oil for 6-7 minutes or until mushrooms are browned. Stir in the cream, Worcestershire sauce, salt and pepper. Bring to a boil. Reduce heat; simmer, uncovered, for 20-25 minutes or until thickened, stirring occasionally. , Meanwhile, place baguette slices on ungreased baking sheets. Broil 4-6 in. from the heat for 1 to 1-1/2 minutes on each side or until toasted. Rub garlic over toasts; discard garlic., Stir the basil, parsley and thyme into mushroom mixture; heat through. Spoon about 1 tablespoonful on each toast. Serve immediately.