Step 1

Heat oven to 375°F.

Step 2

Combine flour and salt in large bowl; cut in butter with pastry blender or fork until mixture resembles coarse crumbs. Stir in enough water with fork just until flour is moistened.

Step 3

Roll out dough on lightly floured surface into 12-inch circle. Fold into quarters. Place dough into ungreased 9-inch pie pan; unfold dough, pressing firmly against bottom and sides. Trim crust to 1/2 inch from edge of pan. Crimp or flute edge. Set aside.

Step 4

Cook ground beef and onion into 10-inch skillet over medium heat, stirring occasionally, 9-11 minutes or until beef is browned. Drain off fat. Stir in vegetables, soup and thyme; continue cooking 3-5 minutes or until heated through.

Step 5

Spoon meat mixture into pie crust. Spoon mashed potatoes over meat mixture. Bake 35-45 minutes or until potatoes are lightly browned and pie is heated through.