Sometimes a recipe will call for a box of Jiffy Corn Muffin Mix.
Here's a clone recipe you can make at home.

This recipe is equal to one 8.5 ounce box of Jiffy Corn Muffin Mix

Jiffy Corn Muffin Mix Clone

Makes 8.5 ounces (equal to 1-box of Jiffy Corn Muffin Mix)
Makes 1-1/2 cups of mix
Makes 6 corn muffins

2/3 cup all purpose flour
1/2 cup yellow corn meal
3 Tbs granulated sugar
1 Tbs baking powder
1/4 tsp salt
2 Tbs vegetable oil

Combine flour, corn meal, sugar, baking powder
and salt. Mix well with whisk.
Whisk in vegetable oil and mix until dry mixture
is smooth and lumps are gone.

To make corn muffins:
Preheat oven to 400F.
Combine above mixture with:

1-egg
1/3 cup milk

Fill muffin tins 1/2 full.
Bake 15-20 minutes
Makes 6 muffins.