Step 1

Preheat oven to 375 F.

Step 2

Place cupcake liners into the cupcake tray. Set aside.

Step 3

In a bowl, sift together flour, baking powder, and salt. Set aside.

Step 4

In a large bowl, combine vegetable oil and sugar

Step 5

Mix in egg and sour cream.

Step 6

Stir in vanilla extract.

Step 7

Combine dry ingredients into the wet ingredients, alternating with the buttermilk. (Just until the flour is incorporated. Do not over stir or muffins won't be fluffy)

Step 8

Fold in chocolate chips.

Step 9

Pour batter evenly into prepared muffin tin.

Step 10

Sprinkle a few additional chocolate chips on top of batter.

Step 11

Bake for 18-20 minutes. (check on them at the 16-minute mark)

Step 12

Remove from oven and let cool in pan for a few minutes,( muffins will continue cooking as they cool).

Step 13

Remove muffins and place on a cooling rack to finish cooling.

Step 14

Serve warm or room temperature.