1. mix 2 lettuces. Layer other ingredients on top. Drizzle dressing on top. 2. Dressing: 3. shallot, skin removed 4. clove garlic 5. Juice of one lime 6. /2 package taco seasoning 7. /4 cup olive oil 8. /2 cup red wine vinegar 9. oz sour cream 10. /4 tsp salt and 1/4 tsp pepper 11. Cayenne pepper to taste 12. Combine ingredients in food processor or blender.