Preheat the oven to 400°F. Prepare a muffin tin using paper liners, spritzed with nonstick cooking spray

Mix together the strawberries in 2 tablespoons of flour until well blended.

In a large mixing bowl, whisk together The remaining flour, sugar, baking powder, cinnamon, and salt.

In a medium bowl or large mixing cup, whisk together the buttermilk, oil, egg, yogurt, and vanilla extract.

Add the wet ingredients into the dry ingredients, stirring just until combined. Add the strawberries and chocolate chips.

Divide the dough between the muffin cups. Sprinkle with additional chocolate chips if desired. Bake for 20 minutes or until a toothpick inserted in the middle of a muffin returns clean.

Place on a wire rack to cool before serving.