Step 1

Place all ingredients in a VERY large bowl, and stir gently until combined.  Store in an airtight container in a cool, dry location.

Step 2

Preheat oven to 400F degrees.  Spray two muffin tins with non-stick spray, or prepare with paper liners.

Step 3

In large bowl, beat 4 eggs.  Add 3 teaspoons vanilla, 2 cups water and 3/4 cup vegetable or canola oil.

Step 4

Stir in 5 1/2 cups of dry muffin mix, just until moistened.  Gently add in any mix-ins (see notes or find the full list at grouprecipes.com).

Step 5

Spoon into prepared muffin tins, making sure to fill each muffin cup to the top.  Optional: Add topping(s).

Step 6

Bake at 400F for 18-20 minutes until tops are golden brown and toothpick inserted into muffin comes out clean.