Heat oven to 350 degrees. Cut meat into 1 inch cubes; coat with flour. Melt shortening in skillet; brown meat. Add onion; cook and stir until onion is tender.
Pour into ungreased 2 quart casserole; sprinkle with 3 tablespoons flour, 1 1/2 teaspoons salt, the pepper, thyme and garlic salt. Pour water over mixture. Cover; bake 45 to 60 minutes or until meat is tender.
Increase oven temperature to 450 degrees. Arrange potatoes on meat; sprinkle with salt and paprika. Bake uncovered about 30 minutes longer or until potatoes are tender.