Preheat oven to 350 degrees F
Sift together the first 6 ingredients
Combine the oil and peppermint extract in a separate bowl
Stir the wet into the dry mixture and mix well
Add the warm water and vinegar and stir in well
Line muffin tins with muffin papers or oil your muffin tins if not using papers
Fill each space about 3/4 full with batter
Bake at 350 degrees F for 20 minutes
Check by inserting a toothpick in the center and if it comes out clean, they're done
Remove from the oven and cool for 5 minutes in the muffin tins
Remove each cupcake and continue cooling on wire racks
Frost after completely cool
Garnish with crushed peppermint candies or candy canes or fresh peppermint leaves and a cranberry cut in half with red side up
Store in the refrigerator in an airtight container with a tight fitting lid.