Mix together sour cream, Worcestershire sauce, hot sauce, garlic salt, paprika and salt. Pierce chicken with fork and place in mixture. Leave in fridge overnight. Take chicken out of the mixture and roll each breast in bread crumbs. Put in large baking dish, and arrange in a single layer. Cover dish and place in fridge for about 1 1/2 hours. Heat oven to 325€. Uncover dish and bake for 1 hour 15 minutes.