Preheat oven to 350 degrees Fahrenheit and prepare a muffin tin with cooking spray.
In a large bowl, mix flour, sugar, baking powder, and cinnamon.
In a small bowl whisk eggs, vegetable oil, and vanilla extract.
Combine wet ingredients with dry ingredients and mix well.
Fold in diced strawberries and chocolate chips.
Divide batter evenly in a muffin tin to make 12 muffins.
Bake for 15-20 minutes or until a toothpick inserted into the middle comes out clean.
Allow cooling slightly before removing from muffin tin. Enjoy!
Notes
What's the secret to making muffins moist? There are a couple of secrets to making extra moist muffins. Adding oil into the batter is guaranteed to make moist muffins but you also want to make sure you are not over-mixing your muffin batter or over-baking your muffins.