Garden of Eden Pork Roast

1/2 teaspoon salt
1/2 teaspoon grated orange peel
1/2 teaspoon grated lemon peel
1 teaspoon coarsely ground black pepper
1 teaspoon dried thyme
1 (3 pound) boneless pork roast
1/2 cup fresh orange juice
1/2 cup apple juice
2 tablespoons Grand Marnier
1 (14 ounce) can chicken broth
1 Golden Delicious apple, cored and sliced
1 medium onion, sliced (1 cup)
1 tablespoon chopped jalape