Oriental Salad

Ingredients:1 head butter lettuce2 cups fresh bean sprouts1 bunch spinach1/2 cup salad oil2 tablespoons red wine vinegar1/4-1/2 teaspoon cayenne pepper1 small onion , finely chopped1/4 teaspoon dry mustard1/4 teaspoon salt1/4 cup sugarDressing1/4 cup ketchup1/2 teaspoon Worcestershire sauce