Mix pastry. Divide in 32 ... in butter. Add mushrooms. Add lemon juice, salt, ... mushrooms. Thicken. Fill tart shells. Sprinkle with cheese. Bake ... teaspoon cornstarch to thicken.)
Cream together thoroughly and chill. FILLING: Saute onion and mushrooms in butter; add remaining ingredients, ... degrees. Pierce each tart with fork. Bake 12 to ... Makes about 4 dozen.