Step 1

Preheat oven to 425 F degrees. Butter the muffin tray, or use muffin liners.

Step 2

In a large bowl combine the flour, baking powder, salt, cinnamon; set aside.

Step 3

Whisk the eggs and sugar together until combined. Add the melted butter, evaporated milk, vegetable oil and vanilla and continue whisking until well combined.

Step 4

Fold in the wet ingredients into the dry ingredients and mix together gently. Do not over mix. The batter should be thick and a bit lumpy. Fold in the chocolate chips.

Step 5

Spoon a large spoonful of the batter into each muffin cup, filling all the way to the top. Sprinkle with coarse sugar such as turbinado sugar, if desired.

Step 6

Bake for 5 minutes at 425 F degrees, then turn down the oven to 350 F degrees. and bake for another 25 minutes or until the tops are lightly golden brown and the center is set. You can test it by sticking a toothpick into a muffin and it should come out clean.

Step 7

Allow muffins to cool for 10 minutes in the muffin pan before transferring to a cooling rack and serving.