Take all the fat off beef kidney and cut in 1-inch cubes. Put the cubes in 4 cups boiling water. Boil for 20 minutes; rinse well, drain, and season with garlic powder, salt, and cayenne pepper to taste. Coat 1-1/2 lb beef, cut in 1 inch cubes with 1/4 cup all-purpose flour. In 6 qt. Dutch oven, brown steak in 3 tbsp. hot oil. Add 1 medium onion, chopped, 2 cups water, and 1 tbsp. Worcestershire sauce. Cover and simmer for 30 minutes or until tender.
Mix 1/2 cup cold water, 1/4 cup all-purpose flour, 1 tsp salt, dash of cayenne pepper, and black pepper, Stir into hot mixture and cook and stir until bubbly. Add kidney and heat. Pour into 2-1/2 quart casserole and top with pastry.
Sift together the flour and salt. Pour salad oil and cold water into measuring cup (don't stir). Add all at once to the flour mixture. Stir lightly with a fork and make into a ball. Roll out to 1-1/2 inches larger than casserole. Place on top of hot meat mixture; turn under edge. Cut slits for escape of steam. Brush with milk. Bake at 450F for 20 to 25 minutes.
Cajun Country -- New Iberia, Louisiana