Preheat oven to 350℉/177℃.
Spray muffin tin with baking spray or line with baking cups.
In a medium bowl, toss together the cranberries and the 2 Tablespoons flour. Set aside.
Whisk the remaining flour, sugar, baking powder, baking soda, and salt together in a large bowl. Set aside.
In a small bowl, combine the milk, eggs, vegetable oil, and vanilla. Whisk to combine.
Add wet ingredients to dry ingredients. Stir only to combine.
Fold in cranberries.
Scoop into prepared muffin tin.
Bake for 30 minutes, or until muffins test done.