Starbucks Blueberry Muffin Recipe Copycat

"How to make a Starbucks blueberry muffin copycat recipe. This is an easy recipe that you can make at home with fresh blueberries or frozen blueberries. I have some tricks for using frozen blueberries so they don't turn your muffins green. This is a moist recipe made with both butter and oil, so they are light and fluffy. It has an easy and delicious streusel topping. I also have tips to prevent the blueberries from sinking to the bottom."