French Dip Sandwich

5 pound boneless rump roast
1 tablespoon garlic powder
1/2 teaspoon seasoned salt
1/4 teaspoon cayenne
1/2 teaspoon oregano
1/2 teaspoon rosemary
2 beef bouillon cubes
1 onion, chopped fine
1 to 2 cans onion soup or beef broth

Put all in slow cooker.

Cook slow 8 to 10 hours or high 4 to 6 hours.

If gravy is too thin mix cornstarch with some of gravy. Heat until thickened.

Slice thin and serve on French bread or French rolls.